When to go · Japan

Japan in September

Mixed month. Still hot; typhoon peak can cancel flights and ferries for a day or two.

Key facts

Verdict: Mixed
Crowds: Medium; Japan
Prices: Medium; Japan

Plan around it

Verdict

MixedVoykit month rating for Japan

Still hot; typhoon peak can cancel flights and ferries for a day or two.

Is another month better than September?

September is rated mixed. These months rate higher:

Weather in September

Hokkaidō · Sapporo, Nisekobest weather
Snow Dec–Mar (ski season); the only main region without a real rainy season.
Honshū cities · Tokyo, Kyoto, Osaka, Hiroshimastorm or typhoon risk
Rainy season June to mid-July; humid heat July–August; typhoon risk peaks in September.
Okinawa · Naha, Ishigakistorm or typhoon risk
Subtropical; rainy season May–June, typhoons July–September.
Amami Islands: Amami Islands · subtropical Pacificrainy
Typhoon risk Aug–Oct; rainy season Jun–Jul.
Chubu: Tokai (Nagoya, Shizuoka) · Pacific coast and plainsstorm or typhoon risk
Rainy season June to mid-July; August is hot and humid, 33 °C (91 °F)+; typhoons Aug–Sep.Rainy season June to mid-July; August is hot and humid, 91 °F (33 °C)+; typhoons Aug–Sep.
Chubu: Hokuriku (Kanazawa, Toyama, Fukui) · Sea of Japan coastfine
Heavy winter snow and grey skies; summer is humid. Crab season roughly November to March.
Chubu: Koshin'etsu and the Alps (Nagano, Hakuba, Takayama) · Mountainsfine
Snow Country gets some of Japan's heaviest snowfall; ski season roughly December to April. High passes close in winter.
Chugoku: San'yo (Hiroshima, Okayama) · south coast, Seto Inland Sea sidestorm or typhoon risk
Sheltered by the mountains, so drier than the north coast; August is hot and humid, typhoons possible Aug–Sep.
Chugoku: San'in (Matsue, Tottori) · north coast, Japan Sea sidefine
Wetter and snowier in winter; summer is cooler than the south coast.
Hokkaido: Sapporo and the west · Ishikari plain and coastfine
Snow from December to March; August is warm but not muggy. February averages around -12 °C (10 °F) at night inland.Snow from December to March; August is warm but not muggy. February averages around 10 °F (-12 °C) at night inland.
Hokkaido: Asahikawa and inland · central Hokkaidofine
Continental swing: the all-Japan record low of -41.0 °C (−42 °F) was measured here, and August has reached 37.9 °C (100 °F).Continental swing: the all-Japan record low of −42 °F (-41.0 °C) was measured here, and August has reached 100 °F (37.9 °C).
Hokkaido: Eastern Hokkaido · Kushiro, Akan, Shiretokofine
Cooler and foggier; drift ice reaches the Shiretoko coast around late January to March.
Izu Islands: Izu Islands · Pacific Ocean southeast of Tokyostorm or typhoon risk
Typhoon risk in August–September; summer can be hot and crowded.
Kansai: Kyoto / Osaka · Kansai basin and baystorm or typhoon risk
Rainy season (tsuyu) June to mid-July; Kyoto's basin holds heat — 35 °C (95 °F)+ days in August; typhoons Aug–Sep can shut KIX for a day.Rainy season (tsuyu) June to mid-July; Kyoto's basin holds heat — 95 °F (35 °C)+ days in August; typhoons Aug–Sep can shut KIX for a day.
Kyushu: Fukuoka and northern Kyushu · Fukuoka, Saga, Kitakyushustorm or typhoon risk
Rainy season June to mid-July; August is hot and humid, 33 °C (91 °F)+; typhoons Aug–Sep.Rainy season June to mid-July; August is hot and humid, 91 °F (33 °C)+; typhoons Aug–Sep.
Kyushu: Kagoshima and southern Kyushu · Kagoshima, Miyazakistorm or typhoon risk
Warmer than Honshu; the southern and eastern coasts take the worst of the typhoons.
Noto Peninsula: Noto Peninsula · Sea of Japan coaststorm or typhoon risk
Rainy season June–mid‑July; typhoons August–September; winter brings heavy snow on the west coast.
Okinawa: Naha and the main island · southern Okinawastorm or typhoon risk
Subtropical: January highs near 20 °C (68 °F), August 32 °C (90 °F). Rainy season starts early May; typhoons peak Aug–Sep.Subtropical: January highs near 68 °F (20 °C), August 90 °F (32 °C). Rainy season starts early May; typhoons peak Aug–Sep.
Okinawa: Yaeyama and Miyako · southern island groupsstorm or typhoon risk
Fully tropical and warmer than Naha; same rainy season and typhoon window.
Shikoku: Seto Inland Sea side (Takamatsu, Matsuyama) · north and west coastsstorm or typhoon risk
Rainy season June to mid-July; August is hot and humid; typhoons Aug–Sep can stop ferries for a day.
Shikoku: Pacific side (Kochi, Shimanto, Cape Ashizuri) · south coaststorm or typhoon risk
Wetter than the inland side; the Shimanto runs high after summer rain.
Tohoku: Pacific side (Sendai, Morioka, Aomori) · East coast and northfine
Rainy season June to mid-July; August is hot and humid inland; typhoons Aug–Sep can hit the coast.
Tohoku: Japan Sea side (Akita, Yamagata, Hirosaki) · West coast and interiorfine
Snow Country: some of the world's heaviest snowfall from December to March. Ski season runs roughly December to early May at the higher resorts.
Tsugaru Peninsula: Tsugaru Peninsula · Northern Honshucool
July–August can be hot; winter snow common. Rainy season in June‑July.
Kyoto29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Osaka30 °C (86 °F) / 22 °C (72 °F), 10 rain days86 °F (30 °C) / 72 °F (22 °C), 10 rain days
Tokyo28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Abashiri19 °C (66 °F) / 8 °C (46 °F), 8 rain days66 °F (19 °C) / 46 °F (8 °C), 8 rain days
Abiko29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Achi24 °C (75 °F) / 14 °C (57 °F), 8 rain days75 °F (24 °C) / 57 °F (14 °C), 8 rain days
Ageo27 °C (81 °F) / 19 °C (66 °F), 10 rain days81 °F (27 °C) / 66 °F (19 °C), 10 rain days
Aioi29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Aizuwakamatsu26 °C (79 °F) / 17 °C (63 °F), 12 rain days79 °F (26 °C) / 63 °F (17 °C), 12 rain days
Akajima30 °C (86 °F) / 25 °C (77 °F), 13 rain days86 °F (30 °C) / 77 °F (25 °C), 13 rain days
Akashi27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Aki27 °C (81 °F) / 18 °C (64 °F), 7 rain days81 °F (27 °C) / 64 °F (18 °C), 7 rain days
Akishima29 °C (84 °F) / 22 °C (72 °F), 12 rain days84 °F (29 °C) / 72 °F (22 °C), 12 rain days
Akita25.4 °C (78 °F) / 17.1 °C (63 °F), 11 rain days78 °F (25.4 °C) / 63 °F (17.1 °C), 11 rain days
Akitakata28 °C (82 °F) / 19 °C (66 °F), 11 rain days82 °F (28 °C) / 66 °F (19 °C), 11 rain days
Ako28 °C (82 °F) / 20 °C (68 °F), 9 rain days82 °F (28 °C) / 68 °F (20 °C), 9 rain days
Amagasaki27 °C (81 °F) / 21 °C (70 °F), 9 rain days81 °F (27 °C) / 70 °F (21 °C), 9 rain days
Amakusa28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Amanohashidate27 °C (81 °F) / 19 °C (66 °F), 11 rain days81 °F (27 °C) / 66 °F (19 °C), 11 rain days
Aogashima27 °C (81 °F) / 22 °C (72 °F), 13 rain days81 °F (27 °C) / 72 °F (22 °C), 13 rain days
Aomori24 °C (75 °F) / 16 °C (61 °F), 13 rain days75 °F (24 °C) / 61 °F (16 °C), 13 rain days
Appi Kogen20 °C (68 °F) / 12 °C (54 °F), 13 rain days68 °F (20 °C) / 54 °F (12 °C), 13 rain days
Arima Onsen27 °C (81 °F) / 22 °C (72 °F), 9 rain days81 °F (27 °C) / 72 °F (22 °C), 9 rain days
Arita28 °C (82 °F) / 22 °C (72 °F), 12 rain days82 °F (28 °C) / 72 °F (22 °C), 12 rain days
Asago28 °C (82 °F) / 18 °C (64 °F), 12 rain days82 °F (28 °C) / 64 °F (18 °C), 12 rain days
Asaka27 °C (81 °F) / 20 °C (68 °F), 8 rain days81 °F (27 °C) / 68 °F (20 °C), 8 rain days
Asakuchi27 °C (81 °F) / 18 °C (64 °F), 8 rain days81 °F (27 °C) / 64 °F (18 °C), 8 rain days
Ashikaga28 °C (82 °F) / 19 °C (66 °F), 12 rain days82 °F (28 °C) / 66 °F (19 °C), 12 rain days
Asuka28 °C (82 °F) / 20 °C (68 °F), 10 rain days82 °F (28 °C) / 68 °F (20 °C), 10 rain days
Asuke28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Atami27 °C (81 °F) / 20 °C (68 °F), 12 rain days81 °F (27 °C) / 68 °F (20 °C), 12 rain days
Atsugi27 °C (81 °F) / 18 °C (64 °F), 10 rain days81 °F (27 °C) / 64 °F (18 °C), 10 rain days
Awa29 °C (84 °F) / 20 °C (68 °F), 12 rain days84 °F (29 °C) / 68 °F (20 °C), 12 rain days
Awaji Island27 °C (81 °F) / 20 °C (68 °F), 8 rain days81 °F (27 °C) / 68 °F (20 °C), 8 rain days
Azumino26 °C (79 °F) / 16 °C (61 °F), 11 rain days79 °F (26 °C) / 61 °F (16 °C), 11 rain days
Beppu28 °C (82 °F) / 21 °C (70 °F), 13 rain days82 °F (28 °C) / 70 °F (21 °C), 13 rain days
Bizen29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Cape Ashizuri28 °C (82 °F) / 20 °C (68 °F), 13 rain days82 °F (28 °C) / 68 °F (20 °C), 13 rain days
Cape Sata28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Chiba27.5 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (27.5 °C) / 70 °F (21 °C), 12 rain days
Chichibu27 °C (81 °F) / 17 °C (63 °F), 10 rain days81 °F (27 °C) / 63 °F (17 °C), 10 rain days
Chikugo29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Chikuma26 °C (79 °F) / 17 °C (63 °F), 11 rain days79 °F (26 °C) / 63 °F (17 °C), 11 rain days
Chikushino28 °C (82 °F) / 21 °C (70 °F), 11 rain days82 °F (28 °C) / 70 °F (21 °C), 11 rain days
Chino23 °C (73 °F) / 17 °C (63 °F), 10 rain days73 °F (23 °C) / 63 °F (17 °C), 10 rain days
Chiran29 °C (84 °F) / 22 °C (72 °F), 9 rain days84 °F (29 °C) / 72 °F (22 °C), 9 rain days
Chofu28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Choshi28 °C (82 °F) / 22 °C (72 °F), 9 rain days82 °F (28 °C) / 72 °F (22 °C), 9 rain days
Daisen22 °C (72 °F) / 13 °C (55 °F), 10 rain days72 °F (22 °C) / 55 °F (13 °C), 10 rain days
Daisen26 °C (79 °F) / 18 °C (64 °F), 13 rain days79 °F (26 °C) / 64 °F (18 °C), 13 rain days
Date26 °C (79 °F) / 17 °C (63 °F), 11 rain days79 °F (26 °C) / 63 °F (17 °C), 11 rain days
Dazaifu29 °C (84 °F) / 23 °C (73 °F), 7 rain days84 °F (29 °C) / 73 °F (23 °C), 7 rain days
Ebino28 °C (82 °F) / 22 °C (72 °F), 6 rain days82 °F (28 °C) / 72 °F (22 °C), 6 rain days
Echizen27 °C (81 °F) / 19 °C (66 °F), 13 rain days81 °F (27 °C) / 66 °F (19 °C), 13 rain days
Eiheiji27 °C (81 °F) / 20 °C (68 °F), 10 rain days81 °F (27 °C) / 68 °F (20 °C), 10 rain days
Ena24 °C (75 °F) / 16 °C (61 °F), 9 rain days75 °F (24 °C) / 61 °F (16 °C), 9 rain days
Enoshima27 °C (81 °F) / 21 °C (70 °F), 12 rain days81 °F (27 °C) / 70 °F (21 °C), 12 rain days
Fuchu28 °C (82 °F) / 22 °C (72 °F), 10 rain days82 °F (28 °C) / 72 °F (22 °C), 10 rain days
Fuji28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Fujino27 °C (81 °F) / 19 °C (66 °F), 12 rain days81 °F (27 °C) / 66 °F (19 °C), 12 rain days
Fujinomiya28 °C (82 °F) / 20 °C (68 °F), 10 rain days82 °F (28 °C) / 68 °F (20 °C), 10 rain days
Fujioka28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Fujisawa27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Fujiyoshida24 °C (75 °F) / 14 °C (57 °F), 9 rain days75 °F (24 °C) / 57 °F (14 °C), 9 rain days
Fukaura23 °C (73 °F) / 15 °C (59 °F), 7 rain days73 °F (23 °C) / 59 °F (15 °C), 7 rain days
Fukuchiyama27 °C (81 °F) / 19 °C (66 °F), 8 rain days81 °F (27 °C) / 66 °F (19 °C), 8 rain days
Fukue Island27 °C (81 °F) / 20 °C (68 °F), 7 rain days81 °F (27 °C) / 68 °F (20 °C), 7 rain days
Fukui27 °C (81 °F) / 19 °C (66 °F), 13 rain days81 °F (27 °C) / 66 °F (19 °C), 13 rain days
Fukuroi29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Fukushima26 °C (79 °F) / 18 °C (64 °F), 11 rain days79 °F (26 °C) / 64 °F (18 °C), 11 rain days
Fukutsu28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Fukuyama28 °C (82 °F) / 18 °C (64 °F), 11 rain days82 °F (28 °C) / 64 °F (18 °C), 11 rain days
Funabashi29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Futamatagawa28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Gero26 °C (79 °F) / 17 °C (63 °F), 13 rain days79 °F (26 °C) / 63 °F (17 °C), 13 rain days
Gifu29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Gokayama26 °C (79 °F) / 17 °C (63 °F), 13 rain days79 °F (26 °C) / 63 °F (17 °C), 13 rain days
Goshogawara22 °C (72 °F) / 13 °C (55 °F), 8 rain days72 °F (22 °C) / 55 °F (13 °C), 8 rain days
Gotemba27 °C (81 °F) / 18 °C (64 °F), 9 rain days81 °F (27 °C) / 64 °F (18 °C), 9 rain days
Gotsu28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Gujo27 °C (81 °F) / 19 °C (66 °F), 11 rain days81 °F (27 °C) / 66 °F (19 °C), 11 rain days
Hachijojima30 °C (86 °F) / 25 °C (77 °F), 6 rain days86 °F (30 °C) / 77 °F (25 °C), 6 rain days
Hachimantai23 °C (73 °F) / 13 °C (55 °F), 6 rain days73 °F (23 °C) / 55 °F (13 °C), 6 rain days
Hachinohe24 °C (75 °F) / 17 °C (63 °F), 12 rain days75 °F (24 °C) / 63 °F (17 °C), 12 rain days
Hachioji28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Hagi27 °C (81 °F) / 19 °C (66 °F), 11 rain days81 °F (27 °C) / 66 °F (19 °C), 11 rain days
Hakone23 °C (73 °F) / 16 °C (61 °F), 13 rain days73 °F (23 °C) / 61 °F (16 °C), 13 rain days
Hakuba23 °C (73 °F) / 14 °C (57 °F), 12 rain days73 °F (23 °C) / 57 °F (14 °C), 12 rain days
Hakui26 °C (79 °F) / 19 °C (66 °F), 13 rain days79 °F (26 °C) / 66 °F (19 °C), 13 rain days
Hamada27 °C (81 °F) / 20 °C (68 °F), 10 rain days81 °F (27 °C) / 68 °F (20 °C), 10 rain days
Hamamatsu29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Hanamaki23 °C (73 °F) / 16 °C (61 °F), 7 rain days73 °F (23 °C) / 61 °F (16 °C), 7 rain days
Hashimoto, Sagamihara29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Hateruma31 °C (88 °F) / 26 °C (79 °F), 8 rain days88 °F (31 °C) / 79 °F (26 °C), 8 rain days
Hatsukaichi28 °C (82 °F) / 22 °C (72 °F), 9 rain days82 °F (28 °C) / 72 °F (22 °C), 9 rain days
Hida24 °C (75 °F) / 16 °C (61 °F), 11 rain days75 °F (24 °C) / 61 °F (16 °C), 11 rain days
Higashihiroshima27 °C (81 °F) / 21 °C (70 °F), 7 rain days81 °F (27 °C) / 70 °F (21 °C), 7 rain days
Higashikagawa28 °C (82 °F) / 20 °C (68 °F), 10 rain days82 °F (28 °C) / 68 °F (20 °C), 10 rain days
Higashimatsuyama29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Hikone28 °C (82 °F) / 19 °C (66 °F), 11 rain days82 °F (28 °C) / 66 °F (19 °C), 11 rain days
Himeji29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Hioki29.3 °C (85 °F) / 20.7 °C (69 °F), 12 rain days85 °F (29.3 °C) / 69 °F (20.7 °C), 12 rain days
Hiraizumi25 °C (77 °F) / 17 °C (63 °F), 12 rain days77 °F (25 °C) / 63 °F (17 °C), 12 rain days
Hirakata29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Hirosaki25 °C (77 °F) / 15 °C (59 °F), 13 rain days77 °F (25 °C) / 59 °F (15 °C), 13 rain days
Hita29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Hitachi29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Hitoyoshi29 °C (84 °F) / 19 °C (66 °F), 11 rain days84 °F (29 °C) / 66 °F (19 °C), 11 rain days
Hofu28 °C (82 °F) / 20 °C (68 °F), 9 rain days82 °F (28 °C) / 68 °F (20 °C), 9 rain days
Hokuei28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Hokuto24 °C (75 °F) / 14 °C (57 °F), 10 rain days75 °F (24 °C) / 57 °F (14 °C), 10 rain days
Hongu26 °C (79 °F) / 20 °C (68 °F), 11 rain days79 °F (26 °C) / 68 °F (20 °C), 11 rain days
Hōryūji28 °C (82 °F) / 19 °C (66 °F), 9 rain days82 °F (28 °C) / 66 °F (19 °C), 9 rain days
Hyuga29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Ibara28 °C (82 °F) / 21 °C (70 °F), 10 rain days82 °F (28 °C) / 70 °F (21 °C), 10 rain days
Ibaraki29 °C (84 °F) / 22 °C (72 °F), 10 rain days84 °F (29 °C) / 72 °F (22 °C), 10 rain days
Ibusuki29 °C (84 °F) / 23 °C (73 °F), 7 rain days84 °F (29 °C) / 73 °F (23 °C), 7 rain days
Ichikawa26 °C (79 °F) / 19 °C (66 °F), 8 rain days79 °F (26 °C) / 66 °F (19 °C), 8 rain days
Ichikikushikino26.3 °C (79 °F) / 23.2 °C (74 °F), 10 rain days79 °F (26.3 °C) / 74 °F (23.2 °C), 10 rain days
Ichinomiya29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Ichinoseki25 °C (77 °F) / 17 °C (63 °F), 12 rain days77 °F (25 °C) / 63 °F (17 °C), 12 rain days
Iga28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Iiyama26 °C (79 °F) / 14 °C (57 °F), 10 rain days79 °F (26 °C) / 57 °F (14 °C), 10 rain days
Ikata27 °C (81 °F) / 20 °C (68 °F), 11 rain days81 °F (27 °C) / 68 °F (20 °C), 11 rain days
Ikeda28 °C (82 °F) / 19 °C (66 °F), 12 rain days82 °F (28 °C) / 66 °F (19 °C), 12 rain days
Ikeda, Osaka29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Ikeshima28 °C (82 °F) / 21 °C (70 °F), 11 rain days82 °F (28 °C) / 70 °F (21 °C), 11 rain days
Iki28 °C (82 °F) / 21 °C (70 °F), 10 rain days82 °F (28 °C) / 70 °F (21 °C), 10 rain days
Ikoma29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Imabari28 °C (82 °F) / 21 °C (70 °F), 10 rain days82 °F (28 °C) / 70 °F (21 °C), 10 rain days
Imari28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Inagi29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Inawashiro23 °C (73 °F) / 18 °C (64 °F), 5 rain days73 °F (23 °C) / 64 °F (18 °C), 5 rain days
Inujima27 °C (81 °F) / 20 °C (68 °F), 10 rain days81 °F (27 °C) / 68 °F (20 °C), 10 rain days
Inuyama29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Ise28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Isesaki29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Ishigaki31 °C (88 °F) / 26 °C (79 °F), 12 rain days88 °F (31 °C) / 79 °F (26 °C), 12 rain days
Ishinomaki24 °C (75 °F) / 17 °C (63 °F), 8 rain days75 °F (24 °C) / 63 °F (17 °C), 8 rain days
Itayanagi23 °C (73 °F) / 15 °C (59 °F), 4 rain days73 °F (23 °C) / 59 °F (15 °C), 4 rain days
Ito28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Itoigawa25 °C (77 °F) / 17 °C (63 °F), 11 rain days77 °F (25 °C) / 63 °F (17 °C), 11 rain days
Iwaizumi24 °C (75 °F) / 17 °C (63 °F), 9 rain days75 °F (24 °C) / 63 °F (17 °C), 9 rain days
Iwaki26 °C (79 °F) / 18 °C (64 °F), 13 rain days79 °F (26 °C) / 64 °F (18 °C), 13 rain days
Iwakuni28 °C (82 °F) / 20 °C (68 °F), 10 rain days82 °F (28 °C) / 68 °F (20 °C), 10 rain days
Iwami27 °C (81 °F) / 19 °C (66 °F), 12 rain days81 °F (27 °C) / 66 °F (19 °C), 12 rain days
Iwata28 °C (82 °F) / 20 °C (68 °F), 9 rain days82 °F (28 °C) / 68 °F (20 °C), 9 rain days
Izu28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Izumi28 °C (82 °F) / 22 °C (72 °F), 9 rain days82 °F (28 °C) / 72 °F (22 °C), 9 rain days
Izumo27 °C (81 °F) / 19 °C (66 °F), 11 rain days81 °F (27 °C) / 66 °F (19 °C), 11 rain days
Izumozaki27 °C (81 °F) / 18 °C (64 °F), 13 rain days81 °F (27 °C) / 64 °F (18 °C), 13 rain days
Izunokuni28 °C (82 °F) / 21 °C (70 °F), 11 rain days82 °F (28 °C) / 70 °F (21 °C), 11 rain days
Joetsu24 °C (75 °F) / 17 °C (63 °F), 7 rain days75 °F (24 °C) / 63 °F (17 °C), 7 rain days
Kaga27 °C (81 °F) / 19 °C (66 °F), 13 rain days81 °F (27 °C) / 66 °F (19 °C), 13 rain days
Kagoshima30 °C (86 °F) / 23 °C (73 °F), 11 rain days86 °F (30 °C) / 73 °F (23 °C), 11 rain days
Kainan28 °C (82 °F) / 21 °C (70 °F), 11 rain days82 °F (28 °C) / 70 °F (21 °C), 11 rain days
Kakegawa29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Kamaishi24 °C (75 °F) / 16 °C (61 °F), 8 rain days75 °F (24 °C) / 61 °F (16 °C), 8 rain days
Kamakura27 °C (81 °F) / 20 °C (68 °F), 12 rain days81 °F (27 °C) / 68 °F (20 °C), 12 rain days
Kameyama29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Kami28 °C (82 °F) / 20 °C (68 °F), 7 rain days82 °F (28 °C) / 68 °F (20 °C), 7 rain days
Kamikochi22 °C (72 °F) / 15 °C (59 °F), 11 rain days72 °F (22 °C) / 59 °F (15 °C), 11 rain days
Kanazawa27 °C (81 °F) / 20 °C (68 °F), 13 rain days81 °F (27 °C) / 68 °F (20 °C), 13 rain days
Kanoya30 °C (86 °F) / 21 °C (70 °F), 13 rain days86 °F (30 °C) / 70 °F (21 °C), 13 rain days
Kanuma28 °C (82 °F) / 18 °C (64 °F), 11 rain days82 °F (28 °C) / 64 °F (18 °C), 11 rain days
Kanzaki29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Karatsu28 °C (82 °F) / 21 °C (70 °F), 10 rain days82 °F (28 °C) / 70 °F (21 °C), 10 rain days
Karuizawa21 °C (70 °F) / 14 °C (57 °F), 13 rain days70 °F (21 °C) / 57 °F (14 °C), 13 rain days
Kasaoka29 °C (84 °F) / 22 °C (72 °F), 8 rain days84 °F (29 °C) / 72 °F (22 °C), 8 rain days
Kashihara27 °C (81 °F) / 20 °C (68 °F), 11 rain days81 °F (27 °C) / 68 °F (20 °C), 11 rain days
Kashima27 °C (81 °F) / 22 °C (72 °F), 9 rain days81 °F (27 °C) / 72 °F (22 °C), 9 rain days
Kashiwa27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Kashiwazaki27 °C (81 °F) / 19 °C (66 °F), 13 rain days81 °F (27 °C) / 66 °F (19 °C), 13 rain days
Kasukabe28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Katori26 °C (79 °F) / 19 °C (66 °F), 9 rain days79 °F (26 °C) / 66 °F (19 °C), 9 rain days
Katsuura27 °C (81 °F) / 20 °C (68 °F), 12 rain days81 °F (27 °C) / 68 °F (20 °C), 12 rain days
Katsuyama27 °C (81 °F) / 19 °C (66 °F), 9 rain days81 °F (27 °C) / 66 °F (19 °C), 9 rain days
Kawagoe28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Kawaguchi27 °C (81 °F) / 20 °C (68 °F), 10 rain days81 °F (27 °C) / 68 °F (20 °C), 10 rain days
Kawasaki28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Kawazu28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Kesennuma24 °C (75 °F) / 17 °C (63 °F), 12 rain days75 °F (24 °C) / 63 °F (17 °C), 12 rain days
Kichijoji29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Kikai28 °C (82 °F) / 22 °C (72 °F), 9 rain days82 °F (28 °C) / 72 °F (22 °C), 9 rain days
Kikugawa29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Kinkasan25 °C (77 °F) / 18 °C (64 °F), 11 rain days77 °F (25 °C) / 64 °F (18 °C), 11 rain days
Kinosaki27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Kinugawa24 °C (75 °F) / 15 °C (59 °F), 13 rain days75 °F (24 °C) / 59 °F (15 °C), 13 rain days
Kirifuri Highlands24 °C (75 °F) / 16 °C (61 °F), 11 rain days75 °F (24 °C) / 61 °F (16 °C), 11 rain days
Kirishima29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Kiryu27 °C (81 °F) / 19 °C (66 °F), 12 rain days81 °F (27 °C) / 66 °F (19 °C), 12 rain days
Kisarazu27 °C (81 °F) / 21 °C (70 °F), 8 rain days81 °F (27 °C) / 70 °F (21 °C), 8 rain days
Kitaaiki25 °C (77 °F) / 16 °C (61 °F), 12 rain days77 °F (25 °C) / 61 °F (16 °C), 12 rain days
Kitadaito30 °C (86 °F) / 24 °C (75 °F), 6 rain days86 °F (30 °C) / 75 °F (24 °C), 6 rain days
Kitakyushu28 °C (82 °F) / 21 °C (70 °F), 10 rain days82 °F (28 °C) / 70 °F (21 °C), 10 rain days
Kiyama29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Kobayashi28 °C (82 °F) / 23 °C (73 °F), 7 rain days82 °F (28 °C) / 73 °F (23 °C), 7 rain days
Kobe29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Kochi (Shikoku)29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Kodaira29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Kofu28 °C (82 °F) / 18 °C (64 °F), 11 rain days82 °F (28 °C) / 64 °F (18 °C), 11 rain days
Koganei26 °C (79 °F) / 19 °C (66 °F), 9 rain days79 °F (26 °C) / 66 °F (19 °C), 9 rain days
Kohama31 °C (88 °F) / 26 °C (79 °F), 14 rain days88 °F (31 °C) / 79 °F (26 °C), 14 rain days
Kohoku28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Kōka27 °C (81 °F) / 18 °C (64 °F), 11 rain days81 °F (27 °C) / 64 °F (18 °C), 11 rain days
Kokubunji27 °C (81 °F) / 20 °C (68 °F), 11 rain days81 °F (27 °C) / 68 °F (20 °C), 11 rain days
Komagane24 °C (75 °F) / 14 °C (57 °F), 11 rain days75 °F (24 °C) / 57 °F (14 °C), 11 rain days
Komatsu27 °C (81 °F) / 19 °C (66 °F), 12 rain days81 °F (27 °C) / 66 °F (19 °C), 12 rain days
Koriyama27 °C (81 °F) / 17 °C (63 °F), 10 rain days81 °F (27 °C) / 63 °F (17 °C), 10 rain days
Kosai29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Koshigaya0 °C (32 °F) / 0 °C (32 °F), 0 rain days32 °F (0 °C) / 32 °F (0 °C), 0 rain days
Koshu24 °C (75 °F) / 13 °C (55 °F), 7 rain days75 °F (24 °C) / 55 °F (13 °C), 7 rain days
Kotohira29 °C (84 °F) / 20 °C (68 °F), 10 rain days84 °F (29 °C) / 68 °F (20 °C), 10 rain days
Kozushima27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Kubokawa29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Kudoyama30 °C (86 °F) / 22 °C (72 °F), 10 rain days86 °F (30 °C) / 72 °F (22 °C), 10 rain days
Kumagaya30 °C (86 °F) / 20 °C (68 °F), 8 rain days86 °F (30 °C) / 68 °F (20 °C), 8 rain days
Kumamoto30 °C (86 °F) / 21 °C (70 °F), 10 rain days86 °F (30 °C) / 70 °F (21 °C), 10 rain days
Kumano28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Kumejima30 °C (86 °F) / 25 °C (77 °F), 11 rain days86 °F (30 °C) / 77 °F (25 °C), 11 rain days
Kumenan29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Kunitachi27 °C (81 °F) / 21 °C (70 °F), 9 rain days81 °F (27 °C) / 70 °F (21 °C), 9 rain days
Kurashiki29 °C (84 °F) / 20 °C (68 °F), 10 rain days84 °F (29 °C) / 68 °F (20 °C), 10 rain days
Kurayoshi27 °C (81 °F) / 20 °C (68 °F), 7 rain days81 °F (27 °C) / 68 °F (20 °C), 7 rain days
Kure27 °C (81 °F) / 20 °C (68 °F), 8 rain days81 °F (27 °C) / 68 °F (20 °C), 8 rain days
Kurobe27 °C (81 °F) / 18 °C (64 °F), 13 rain days81 °F (27 °C) / 64 °F (18 °C), 13 rain days
Kuroishi23 °C (73 °F) / 14 °C (57 °F), 9 rain days73 °F (23 °C) / 57 °F (14 °C), 9 rain days
Kurume28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Kusatsu, Shiga29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Kusatsu20 °C (68 °F) / 11 °C (52 °F), 14 rain days68 °F (20 °C) / 52 °F (11 °C), 14 rain days
Kushima28 °C (82 °F) / 23 °C (73 °F), 8 rain days82 °F (28 °C) / 73 °F (23 °C), 8 rain days
Kushimoto28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Kushiro13 °C (55 °F) / 21 °C (70 °F), 153 rain days55 °F (13 °C) / 70 °F (21 °C), 153 rain days
Kuwana27 °C (81 °F) / 21 °C (70 °F), 11 rain days81 °F (27 °C) / 70 °F (21 °C), 11 rain days
Kyotanabe29 °C (84 °F) / 22 °C (72 °F), 11 rain days84 °F (29 °C) / 72 °F (22 °C), 11 rain days
Machida28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Maebashi28 °C (82 °F) / 19 °C (66 °F), 12 rain days82 °F (28 °C) / 66 °F (19 °C), 12 rain days
Magome25 °C (77 °F) / 16 °C (61 °F), 12 rain days77 °F (25 °C) / 61 °F (16 °C), 12 rain days
Maibara28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Maizuru28 °C (82 °F) / 20 °C (68 °F), 9 rain days82 °F (28 °C) / 68 °F (20 °C), 9 rain days
Manazuru27 °C (81 °F) / 20 °C (68 °F), 10 rain days81 °F (27 °C) / 68 °F (20 °C), 10 rain days
Maniwa27 °C (81 °F) / 17 °C (63 °F), 11 rain days81 °F (27 °C) / 63 °F (17 °C), 11 rain days
Marugame30 °C (86 °F) / 22 °C (72 °F), 11 rain days86 °F (30 °C) / 72 °F (22 °C), 11 rain days
Mashiko27 °C (81 °F) / 18 °C (64 °F), 12 rain days81 °F (27 °C) / 64 °F (18 °C), 12 rain days
Masuda27 °C (81 °F) / 19 °C (66 °F), 8 rain days81 °F (27 °C) / 66 °F (19 °C), 8 rain days
Matsudo27 °C (81 °F) / 19 °C (66 °F), 7 rain days81 °F (27 °C) / 66 °F (19 °C), 7 rain days
Matsue27 °C (81 °F) / 20 °C (68 °F), 12 rain days81 °F (27 °C) / 68 °F (20 °C), 12 rain days
Matsumoto26 °C (79 °F) / 16 °C (61 °F), 11 rain days79 °F (26 °C) / 61 °F (16 °C), 11 rain days
Matsusaka29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Matsushima25 °C (77 °F) / 17 °C (63 °F), 12 rain days77 °F (25 °C) / 63 °F (17 °C), 12 rain days
Matsuyama29 °C (84 °F) / 21 °C (70 °F), 10 rain days84 °F (29 °C) / 70 °F (21 °C), 10 rain days
Mihara29 °C (84 °F) / 20 °C (68 °F), 9 rain days84 °F (29 °C) / 68 °F (20 °C), 9 rain days
Mikurajima26 °C (79 °F) / 22 °C (72 °F), 12 rain days79 °F (26 °C) / 72 °F (22 °C), 12 rain days
Mima28 °C (82 °F) / 19 °C (66 °F), 11 rain days82 °F (28 °C) / 66 °F (19 °C), 11 rain days
Minakami23 °C (73 °F) / 18 °C (64 °F), 3 rain days73 °F (23 °C) / 64 °F (18 °C), 3 rain days
Minamata29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Minami-Uonuma24 °C (75 °F) / 17 °C (63 °F), 9 rain days75 °F (24 °C) / 63 °F (17 °C), 9 rain days
Minamidaito30 °C (86 °F) / 25 °C (77 °F), 6 rain days86 °F (30 °C) / 77 °F (25 °C), 6 rain days
Mine27 °C (81 °F) / 20 °C (68 °F), 11 rain days81 °F (27 °C) / 68 °F (20 °C), 11 rain days
Mino27 °C (81 °F) / 19 °C (66 °F), 10 rain days81 °F (27 °C) / 66 °F (19 °C), 10 rain days
Minō30 °C (86 °F) / 23 °C (73 °F), 12 rain days86 °F (30 °C) / 73 °F (23 °C), 12 rain days
Minobu27 °C (81 °F) / 18 °C (64 °F), 12 rain days81 °F (27 °C) / 64 °F (18 °C), 12 rain days
Misasa28 °C (82 °F) / 19 °C (66 °F), 11 rain days82 °F (28 °C) / 66 °F (19 °C), 11 rain days
Misato, Akita25 °C (77 °F) / 15 °C (59 °F), 13 rain days77 °F (25 °C) / 59 °F (15 °C), 13 rain days
Misato29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Misato29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Misawa23 °C (73 °F) / 14 °C (57 °F), 11 rain days73 °F (23 °C) / 57 °F (14 °C), 11 rain days
Mishima Islands28 °C (82 °F) / 22 °C (72 °F), 13 rain days82 °F (28 °C) / 72 °F (22 °C), 13 rain days
Mishima27 °C (81 °F) / 19 °C (66 °F), 10 rain days81 °F (27 °C) / 66 °F (19 °C), 10 rain days
Mitaka28 °C (82 °F) / 22 °C (72 °F), 8 rain days82 °F (28 °C) / 72 °F (22 °C), 8 rain days
Mito26.4 °C (80 °F) / 18.6 °C (65 °F), 12 rain days80 °F (26.4 °C) / 65 °F (18.6 °C), 12 rain days
Miura26 °C (79 °F) / 20 °C (68 °F), 9 rain days79 °F (26 °C) / 68 °F (20 °C), 9 rain days
Miyajima29 °C (84 °F) / 21 °C (70 °F), 9 rain days84 °F (29 °C) / 70 °F (21 °C), 9 rain days
Miyakejima27 °C (81 °F) / 20 °C (68 °F), 12 rain days81 °F (27 °C) / 68 °F (20 °C), 12 rain days
Miyaki29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Miyako, Iwate25 °C (77 °F) / 14 °C (57 °F), 11 rain days77 °F (25 °C) / 57 °F (14 °C), 11 rain days
Miyako, Okinawa30 °C (86 °F) / 25 °C (77 °F), 11 rain days86 °F (30 °C) / 77 °F (25 °C), 11 rain days
Miyakonojo30 °C (86 °F) / 21 °C (70 °F), 12 rain days86 °F (30 °C) / 70 °F (21 °C), 12 rain days
Miyazaki29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Miyoshi27 °C (81 °F) / 20 °C (68 °F), 10 rain days81 °F (27 °C) / 68 °F (20 °C), 10 rain days
Miyoshi28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Mooka28 °C (82 °F) / 19 °C (66 °F), 12 rain days82 °F (28 °C) / 66 °F (19 °C), 12 rain days
Mori29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Morioka25 °C (77 °F) / 16 °C (61 °F), 12 rain days77 °F (25 °C) / 61 °F (16 °C), 12 rain days
Mount Aso27 °C (81 °F) / 18 °C (64 °F), 11 rain days81 °F (27 °C) / 64 °F (18 °C), 11 rain days
Murakami25 °C (77 °F) / 17 °C (63 °F), 10 rain days77 °F (25 °C) / 63 °F (17 °C), 10 rain days
Musashino29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Mutsu24 °C (75 °F) / 17 °C (63 °F), 9 rain days75 °F (24 °C) / 63 °F (17 °C), 9 rain days
Myoko25 °C (77 °F) / 16 °C (61 °F), 13 rain days77 °F (25 °C) / 61 °F (16 °C), 13 rain days
Nachikatsuura28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Nagahama27 °C (81 °F) / 19 °C (66 °F), 12 rain days81 °F (27 °C) / 66 °F (19 °C), 12 rain days
Nagakute28 °C (82 °F) / 20 °C (68 °F), 8 rain days82 °F (28 °C) / 68 °F (20 °C), 8 rain days
Nagano26 °C (79 °F) / 17 °C (63 °F), 11 rain days79 °F (26 °C) / 63 °F (17 °C), 11 rain days
Nagaoka24 °C (75 °F) / 17 °C (63 °F), 11 rain days75 °F (24 °C) / 63 °F (17 °C), 11 rain days
Nagasaki29 °C (84 °F) / 22 °C (72 °F), 10 rain days84 °F (29 °C) / 72 °F (22 °C), 10 rain days
Nagi27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Nagiso23 °C (73 °F) / 14 °C (57 °F), 10 rain days73 °F (23 °C) / 57 °F (14 °C), 10 rain days
Naha31 °C (88 °F) / 26 °C (79 °F), 11 rain days88 °F (31 °C) / 79 °F (26 °C), 11 rain days
Nakanojō24 °C (75 °F) / 15 °C (59 °F), 10 rain days75 °F (24 °C) / 59 °F (15 °C), 10 rain days
Nakatsugawa27 °C (81 °F) / 19 °C (66 °F), 9 rain days81 °F (27 °C) / 66 °F (19 °C), 9 rain days
Nanao27 °C (81 °F) / 20 °C (68 °F), 13 rain days81 °F (27 °C) / 68 °F (20 °C), 13 rain days
Nankoku29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Naoshima29 °C (84 °F) / 21 °C (70 °F), 10 rain days84 °F (29 °C) / 70 °F (21 °C), 10 rain days
Narai25 °C (77 °F) / 14 °C (57 °F), 10 rain days77 °F (25 °C) / 57 °F (14 °C), 10 rain days
Narashino29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Narita27 °C (81 °F) / 20 °C (68 °F), 12 rain days81 °F (27 °C) / 68 °F (20 °C), 12 rain days
Naruko23 °C (73 °F) / 18 °C (64 °F), 5 rain days73 °F (23 °C) / 64 °F (18 °C), 5 rain days
Naruto28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Nasu27 °C (81 °F) / 18 °C (64 °F), 10 rain days81 °F (27 °C) / 64 °F (18 °C), 10 rain days
Nasushiobara27 °C (81 °F) / 18 °C (64 °F), 11 rain days81 °F (27 °C) / 64 °F (18 °C), 11 rain days
Nichinan31 °C (88 °F) / 23 °C (73 °F), 9 rain days88 °F (31 °C) / 73 °F (23 °C), 9 rain days
Niigata26 °C (79 °F) / 18 °C (64 °F), 14 rain days79 °F (26 °C) / 64 °F (18 °C), 14 rain days
Niihama28 °C (82 °F) / 21 °C (70 °F), 11 rain days82 °F (28 °C) / 70 °F (21 °C), 11 rain days
Niijima26 °C (79 °F) / 21 °C (70 °F), 11 rain days79 °F (26 °C) / 70 °F (21 °C), 11 rain days
Niimi27 °C (81 °F) / 19 °C (66 °F), 3 rain days81 °F (27 °C) / 66 °F (19 °C), 3 rain days
Nikaho24 °C (75 °F) / 15 °C (59 °F), 8 rain days75 °F (24 °C) / 59 °F (15 °C), 8 rain days
Nikko23 °C (73 °F) / 14 °C (57 °F), 13 rain days73 °F (23 °C) / 57 °F (14 °C), 13 rain days
Ninohe24 °C (75 °F) / 14 °C (57 °F), 11 rain days75 °F (24 °C) / 57 °F (14 °C), 11 rain days
Nishiawakura26 °C (79 °F) / 17 °C (63 °F), 13 rain days79 °F (26 °C) / 63 °F (17 °C), 13 rain days
Nishinomiya28 °C (82 °F) / 21 °C (70 °F), 11 rain days82 °F (28 °C) / 70 °F (21 °C), 11 rain days
Nishitokyo28 °C (82 °F) / 21 °C (70 °F), 10 rain days82 °F (28 °C) / 70 °F (21 °C), 10 rain days
Nobeoka27 °C (81 °F) / 22 °C (72 °F), 9 rain days81 °F (27 °C) / 72 °F (22 °C), 9 rain days
Noda26 °C (79 °F) / 20 °C (68 °F), 11 rain days79 °F (26 °C) / 68 °F (20 °C), 11 rain days
Nogata28 °C (82 °F) / 22 °C (72 °F), 9 rain days82 °F (28 °C) / 72 °F (22 °C), 9 rain days
Nonoichi26 °C (79 °F) / 20 °C (68 °F), 7 rain days79 °F (26 °C) / 68 °F (20 °C), 7 rain days
Noshiro25 °C (77 °F) / 16 °C (61 °F), 13 rain days77 °F (25 °C) / 61 °F (16 °C), 13 rain days
Numata26 °C (79 °F) / 18 °C (64 °F), 12 rain days79 °F (26 °C) / 64 °F (18 °C), 12 rain days
Numazu29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Obama26 °C (79 °F) / 16 °C (61 °F), 9 rain days79 °F (26 °C) / 61 °F (16 °C), 9 rain days
Obanazawa25 °C (77 °F) / 16 °C (61 °F), 10 rain days77 °F (25 °C) / 61 °F (16 °C), 10 rain days
Obuse26 °C (79 °F) / 18 °C (64 °F), 11 rain days79 °F (26 °C) / 64 °F (18 °C), 11 rain days
Oda26 °C (79 °F) / 18 °C (64 °F), 11 rain days79 °F (26 °C) / 64 °F (18 °C), 11 rain days
Odate26 °C (79 °F) / 17 °C (63 °F), 10 rain days79 °F (26 °C) / 63 °F (17 °C), 10 rain days
Odawara27 °C (81 °F) / 20 °C (68 °F), 12 rain days81 °F (27 °C) / 68 °F (20 °C), 12 rain days
Oga24 °C (75 °F) / 15 °C (59 °F), 11 rain days75 °F (24 °C) / 59 °F (15 °C), 11 rain days
Ogaki29 °C (84 °F) / 20 °C (68 °F), 12 rain days84 °F (29 °C) / 68 °F (20 °C), 12 rain days
Ogasawara Islands30 °C (86 °F) / 25 °C (77 °F), 11 rain days86 °F (30 °C) / 77 °F (25 °C), 11 rain days
Ogi29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Ogimi28 °C (82 °F) / 25 °C (77 °F), 9 rain days82 °F (28 °C) / 77 °F (25 °C), 9 rain days
Oita28 °C (82 °F) / 21 °C (70 °F), 11 rain days82 °F (28 °C) / 70 °F (21 °C), 11 rain days
Okaya25 °C (77 °F) / 17 °C (63 °F), 11 rain days77 °F (25 °C) / 63 °F (17 °C), 11 rain days
Okayama29 °C (84 °F) / 20 °C (68 °F), 10 rain days84 °F (29 °C) / 68 °F (20 °C), 10 rain days
Okazaki29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Oki Islands26 °C (79 °F) / 20 °C (68 °F), 12 rain days79 °F (26 °C) / 68 °F (20 °C), 12 rain days
Okinoerabujima29 °C (84 °F) / 24 °C (75 °F), 11 rain days84 °F (29 °C) / 75 °F (24 °C), 11 rain days
Oku-Hida Onsen Villages26 °C (79 °F) / 19 °C (66 °F), 12 rain days79 °F (26 °C) / 66 °F (19 °C), 12 rain days
Ōkunoshima29 °C (84 °F) / 22 °C (72 °F), 10 rain days84 °F (29 °C) / 72 °F (22 °C), 10 rain days
Okura24 °C (75 °F) / 14 °C (57 °F), 8 rain days75 °F (24 °C) / 57 °F (14 °C), 8 rain days
Okutama24 °C (75 °F) / 16 °C (61 °F), 11 rain days75 °F (24 °C) / 61 °F (16 °C), 11 rain days
Okuwa22 °C (72 °F) / 13 °C (55 °F), 8 rain days72 °F (22 °C) / 55 °F (13 °C), 8 rain days
Omaezaki27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Omihachiman29 °C (84 °F) / 20 °C (68 °F), 10 rain days84 °F (29 °C) / 68 °F (20 °C), 10 rain days
Omura29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Onjuku27 °C (81 °F) / 20 °C (68 °F), 11 rain days81 °F (27 °C) / 68 °F (20 °C), 11 rain days
Ono27 °C (81 °F) / 20 °C (68 °F), 11 rain days81 °F (27 °C) / 68 °F (20 °C), 11 rain days
Onogawa Onsen24 °C (75 °F) / 16 °C (61 °F), 11 rain days75 °F (24 °C) / 61 °F (16 °C), 11 rain days
Onomichi29 °C (84 °F) / 20 °C (68 °F), 10 rain days84 °F (29 °C) / 68 °F (20 °C), 10 rain days
Ota26 °C (79 °F) / 17 °C (63 °F), 9 rain days79 °F (26 °C) / 63 °F (17 °C), 9 rain days
Otsu28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Otsuchi24 °C (75 °F) / 15 °C (59 °F), 6 rain days75 °F (24 °C) / 59 °F (15 °C), 6 rain days
Otsuki27 °C (81 °F) / 17 °C (63 °F), 9 rain days81 °F (27 °C) / 63 °F (17 °C), 9 rain days
Owase28 °C (82 °F) / 22 °C (72 °F), 10 rain days82 °F (28 °C) / 72 °F (22 °C), 10 rain days
Oyabe25 °C (77 °F) / 17 °C (63 °F), 11 rain days77 °F (25 °C) / 63 °F (17 °C), 11 rain days
Oyama27 °C (81 °F) / 18 °C (64 °F), 9 rain days81 °F (27 °C) / 64 °F (18 °C), 9 rain days
Oyano29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Ozu29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Ryuo28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Sabae27 °C (81 °F) / 19 °C (66 °F), 9 rain days81 °F (27 °C) / 66 °F (19 °C), 9 rain days
Sado Island26 °C (79 °F) / 19 °C (66 °F), 13 rain days79 °F (26 °C) / 66 °F (19 °C), 13 rain days
Saga29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Sagamihara27 °C (81 °F) / 20 °C (68 °F), 11 rain days81 °F (27 °C) / 68 °F (20 °C), 11 rain days
Sai22 °C (72 °F) / 13 °C (55 °F), 5 rain days72 °F (22 °C) / 55 °F (13 °C), 5 rain days
Saijō29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Saiki25 °C (77 °F) / 20 °C (68 °F), 10 rain days77 °F (25 °C) / 68 °F (20 °C), 10 rain days
Saitama28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Saito30 °C (86 °F) / 21 °C (70 °F), 12 rain days86 °F (30 °C) / 70 °F (21 °C), 12 rain days
Sakai28 °C (82 °F) / 19 °C (66 °F), 12 rain days82 °F (28 °C) / 66 °F (19 °C), 12 rain days
Sakai27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Sakaide29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Sakaiminato27 °C (81 °F) / 18 °C (64 °F), 4 rain days81 °F (27 °C) / 64 °F (18 °C), 4 rain days
Sakata26 °C (79 °F) / 18 °C (64 °F), 14 rain days79 °F (26 °C) / 64 °F (18 °C), 14 rain days
Sakunami25 °C (77 °F) / 17 °C (63 °F), 11 rain days77 °F (25 °C) / 63 °F (17 °C), 11 rain days
Sakura27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Sakurai28 °C (82 °F) / 19 °C (66 °F), 11 rain days82 °F (28 °C) / 66 °F (19 °C), 11 rain days
Sanjo27 °C (81 °F) / 19 °C (66 °F), 12 rain days81 °F (27 °C) / 66 °F (19 °C), 12 rain days
Sanmu27 °C (81 °F) / 20 °C (68 °F), 8 rain days81 °F (27 °C) / 68 °F (20 °C), 8 rain days
Sano27 °C (81 °F) / 19 °C (66 °F), 13 rain days81 °F (27 °C) / 66 °F (19 °C), 13 rain days
Sanuki28 °C (82 °F) / 22 °C (72 °F), 9 rain days82 °F (28 °C) / 72 °F (22 °C), 9 rain days
Sanyo-Onoda29 °C (84 °F) / 21 °C (70 °F), 10 rain days84 °F (29 °C) / 70 °F (21 °C), 10 rain days
Sasebo28 °C (82 °F) / 21 °C (70 °F), 10 rain days82 °F (28 °C) / 70 °F (21 °C), 10 rain days
Satsumasendai30 °C (86 °F) / 22 °C (72 °F), 11 rain days86 °F (30 °C) / 72 °F (22 °C), 11 rain days
Seki29 °C (84 °F) / 20 °C (68 °F), 12 rain days84 °F (29 °C) / 68 °F (20 °C), 12 rain days
Sekigahara27 °C (81 °F) / 19 °C (66 °F), 11 rain days81 °F (27 °C) / 66 °F (19 °C), 11 rain days
Semboku23 °C (73 °F) / 15 °C (59 °F), 9 rain days73 °F (23 °C) / 59 °F (15 °C), 9 rain days
Sendai25 °C (77 °F) / 18 °C (64 °F), 12 rain days77 °F (25 °C) / 64 °F (18 °C), 12 rain days
Seto29 °C (84 °F) / 20 °C (68 °F), 12 rain days84 °F (29 °C) / 68 °F (20 °C), 12 rain days
Shibata27 °C (81 °F) / 19 °C (66 °F), 14 rain days81 °F (27 °C) / 66 °F (19 °C), 14 rain days
Shibayama29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Shibukawa28 °C (82 °F) / 19 °C (66 °F), 12 rain days82 °F (28 °C) / 66 °F (19 °C), 12 rain days
Shikokuchuo29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Shima28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Shimabara27 °C (81 °F) / 20 °C (68 °F), 7 rain days81 °F (27 °C) / 68 °F (20 °C), 7 rain days
Shimada27 °C (81 °F) / 20 °C (68 °F), 8 rain days81 °F (27 °C) / 68 °F (20 °C), 8 rain days
Shimanto City29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Shimizu, Shizuoka28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Shimoda27 °C (81 °F) / 21 °C (70 °F), 12 rain days81 °F (27 °C) / 70 °F (21 °C), 12 rain days
Shimogo25 °C (77 °F) / 16 °C (61 °F), 12 rain days77 °F (25 °C) / 61 °F (16 °C), 12 rain days
Shimonoseki28 °C (82 °F) / 22 °C (72 °F), 10 rain days82 °F (28 °C) / 72 °F (22 °C), 10 rain days
Shingo25 °C (77 °F) / 15 °C (59 °F), 11 rain days77 °F (25 °C) / 59 °F (15 °C), 11 rain days
Shingu29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Shinjo28 °C (82 °F) / 22 °C (72 °F), 9 rain days82 °F (28 °C) / 72 °F (22 °C), 9 rain days
Shinjo25.1 °C (77 °F) / 15.9 °C (61 °F), 140.5 rain days77 °F (25.1 °C) / 61 °F (15.9 °C), 140.5 rain days
Shinonsen27 °C (81 °F) / 19 °C (66 °F), 13 rain days81 °F (27 °C) / 66 °F (19 °C), 13 rain days
Shiojiri26 °C (79 °F) / 18 °C (64 °F), 11 rain days79 °F (26 °C) / 64 °F (18 °C), 11 rain days
Shirabu Onsen24 °C (75 °F) / 14 °C (57 °F), 11 rain days75 °F (24 °C) / 57 °F (14 °C), 11 rain days
Shirahama28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Shiraishi Island29 °C (84 °F) / 21 °C (70 °F), 9 rain days84 °F (29 °C) / 70 °F (21 °C), 9 rain days
Shirakawa-gō25 °C (77 °F) / 16 °C (61 °F), 15 rain days77 °F (25 °C) / 61 °F (16 °C), 15 rain days
Shirakawa25 °C (77 °F) / 17 °C (63 °F), 12 rain days77 °F (25 °C) / 63 °F (17 °C), 12 rain days
Shiroishi23 °C (73 °F) / 17 °C (63 °F), 9 rain days73 °F (23 °C) / 63 °F (17 °C), 9 rain days
Shizuoka28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Shodoshima29 °C (84 °F) / 21 °C (70 °F), 9 rain days84 °F (29 °C) / 70 °F (21 °C), 9 rain days
Shunan29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Soja29 °C (84 °F) / 20 °C (68 °F), 10 rain days84 °F (29 °C) / 68 °F (20 °C), 10 rain days
Southern Okinawa31 °C (88 °F) / 26 °C (79 °F), 12 rain days88 °F (31 °C) / 79 °F (26 °C), 12 rain days
Suita29 °C (84 °F) / 21 °C (70 °F), 9 rain days84 °F (29 °C) / 70 °F (21 °C), 9 rain days
Sukagawa24 °C (75 °F) / 14 °C (57 °F), 9 rain days75 °F (24 °C) / 57 °F (14 °C), 9 rain days
Sukumo29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Suo-Oshima28 °C (82 °F) / 20 °C (68 °F), 10 rain days82 °F (28 °C) / 68 °F (20 °C), 10 rain days
Susaki30 °C (86 °F) / 22 °C (72 °F), 11 rain days86 °F (30 °C) / 72 °F (22 °C), 11 rain days
Suwa26 °C (79 °F) / 14 °C (57 °F), 11 rain days79 °F (26 °C) / 57 °F (14 °C), 11 rain days
Suzuka29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Tachikawa28 °C (82 °F) / 21 °C (70 °F), 12 rain days82 °F (28 °C) / 70 °F (21 °C), 12 rain days
Tahara28 °C (82 °F) / 22 °C (72 °F), 10 rain days82 °F (28 °C) / 72 °F (22 °C), 10 rain days
Tajimi29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Takachiho28 °C (82 °F) / 19 °C (66 °F), 12 rain days82 °F (28 °C) / 66 °F (19 °C), 12 rain days
Takahashi28 °C (82 °F) / 18 °C (64 °F), 10 rain days82 °F (28 °C) / 64 °F (18 °C), 10 rain days
Takamatsu29 °C (84 °F) / 21 °C (70 °F), 10 rain days84 °F (29 °C) / 70 °F (21 °C), 10 rain days
Takamori28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Takaoka27 °C (81 °F) / 18 °C (64 °F), 9 rain days81 °F (27 °C) / 64 °F (18 °C), 9 rain days
Takarazuka29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Takasaki27 °C (81 °F) / 19 °C (66 °F), 5 rain days81 °F (27 °C) / 66 °F (19 °C), 5 rain days
Takatsuki28 °C (82 °F) / 22 °C (72 °F), 10 rain days82 °F (28 °C) / 72 °F (22 °C), 10 rain days
Takayama25 °C (77 °F) / 15 °C (59 °F), 13 rain days77 °F (25 °C) / 59 °F (15 °C), 13 rain days
Takehara27 °C (81 °F) / 20 °C (68 °F), 10 rain days81 °F (27 °C) / 68 °F (20 °C), 10 rain days
Takeo27 °C (81 °F) / 21 °C (70 °F), 9 rain days81 °F (27 °C) / 70 °F (21 °C), 9 rain days
Taketa27 °C (81 °F) / 19 °C (66 °F), 11 rain days81 °F (27 °C) / 66 °F (19 °C), 11 rain days
Taketomi31 °C (88 °F) / 26 °C (79 °F), 11 rain days88 °F (31 °C) / 79 °F (26 °C), 11 rain days
Taku29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Tama27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Tamana29 °C (84 °F) / 21 °C (70 °F), 10 rain days84 °F (29 °C) / 70 °F (21 °C), 10 rain days
Tamano29 °C (84 °F) / 20 °C (68 °F), 10 rain days84 °F (29 °C) / 68 °F (20 °C), 10 rain days
Tamura26 °C (79 °F) / 18 °C (64 °F), 11 rain days79 °F (26 °C) / 64 °F (18 °C), 11 rain days
Tanabe28 °C (82 °F) / 21 °C (70 °F), 11 rain days82 °F (28 °C) / 70 °F (21 °C), 11 rain days
Tanegashima29 °C (84 °F) / 24 °C (75 °F), 8 rain days84 °F (29 °C) / 75 °F (24 °C), 8 rain days
Tanohata24 °C (75 °F) / 16 °C (61 °F), 8 rain days75 °F (24 °C) / 61 °F (16 °C), 8 rain days
Tara28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Tarama30 °C (86 °F) / 25 °C (77 °F), 6 rain days86 °F (30 °C) / 77 °F (25 °C), 6 rain days
Tarui27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Tashirojima26 °C (79 °F) / 17 °C (63 °F), 9 rain days79 °F (26 °C) / 63 °F (17 °C), 9 rain days
Tatebayashi28 °C (82 °F) / 18 °C (64 °F), 9 rain days82 °F (28 °C) / 64 °F (18 °C), 9 rain days
Tatsuno27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Tendo27 °C (81 °F) / 18 °C (64 °F), 9 rain days81 °F (27 °C) / 64 °F (18 °C), 9 rain days
Tenkawa27 °C (81 °F) / 18 °C (64 °F), 10 rain days81 °F (27 °C) / 64 °F (18 °C), 10 rain days
Teshima27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Toba29 °C (84 °F) / 22 °C (72 °F), 9 rain days84 °F (29 °C) / 72 °F (22 °C), 9 rain days
Tochigi27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Tokamachi23 °C (73 °F) / 14 °C (57 °F), 9 rain days73 °F (23 °C) / 57 °F (14 °C), 9 rain days
Tokashiki30 °C (86 °F) / 25 °C (77 °F), 13 rain days86 °F (30 °C) / 77 °F (25 °C), 13 rain days
Toki28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Tokoname29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Tokorozawa26 °C (79 °F) / 18 °C (64 °F), 8 rain days79 °F (26 °C) / 64 °F (18 °C), 8 rain days
Tokunoshima28 °C (82 °F) / 23 °C (73 °F), 9 rain days82 °F (28 °C) / 73 °F (23 °C), 9 rain days
Tokushima29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Tokyo Disney Resort27 °C (81 °F) / 21 °C (70 °F), 12 rain days81 °F (27 °C) / 70 °F (21 °C), 12 rain days
Tomioka26 °C (79 °F) / 19 °C (66 °F), 10 rain days79 °F (26 °C) / 66 °F (19 °C), 10 rain days
Tomioka28 °C (82 °F) / 19 °C (66 °F), 11 rain days82 °F (28 °C) / 66 °F (19 °C), 11 rain days
Tone29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Tono23 °C (73 °F) / 13 °C (55 °F), 7 rain days73 °F (23 °C) / 55 °F (13 °C), 7 rain days
Toshima27 °C (81 °F) / 22 °C (72 °F), 11 rain days81 °F (27 °C) / 72 °F (22 °C), 11 rain days
Tosu28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Tottori27 °C (81 °F) / 19 °C (66 °F), 12 rain days81 °F (27 °C) / 66 °F (19 °C), 12 rain days
Toyama27 °C (81 °F) / 19 °C (66 °F), 13 rain days81 °F (27 °C) / 66 °F (19 °C), 13 rain days
Toyohashi27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Toyonaka29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Toyooka28 °C (82 °F) / 19 °C (66 °F), 11 rain days82 °F (28 °C) / 66 °F (19 °C), 11 rain days
Toyota29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Tsu28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Tsuchiura29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Tsukuba27 °C (81 °F) / 19 °C (66 °F), 12 rain days81 °F (27 °C) / 66 °F (19 °C), 12 rain days
Tsumagoi23 °C (73 °F) / 11 °C (52 °F), 12 rain days73 °F (23 °C) / 52 °F (11 °C), 12 rain days
Tsuru28 °C (82 °F) / 19 °C (66 °F), 11 rain days82 °F (28 °C) / 66 °F (19 °C), 11 rain days
Tsuruga27 °C (81 °F) / 19 °C (66 °F), 8 rain days81 °F (27 °C) / 66 °F (19 °C), 8 rain days
Tsuruoka27 °C (81 °F) / 19 °C (66 °F), 9 rain days81 °F (27 °C) / 66 °F (19 °C), 9 rain days
Tsuruta23 °C (73 °F) / 13 °C (55 °F), 6 rain days73 °F (23 °C) / 55 °F (13 °C), 6 rain days
Tsushima25 °C (77 °F) / 22 °C (72 °F), 11 rain days77 °F (25 °C) / 72 °F (22 °C), 11 rain days
Tsuwano27 °C (81 °F) / 18 °C (64 °F), 11 rain days81 °F (27 °C) / 64 °F (18 °C), 11 rain days
Tsuyama27 °C (81 °F) / 18 °C (64 °F), 11 rain days81 °F (27 °C) / 64 °F (18 °C), 11 rain days
Ube28 °C (82 °F) / 20 °C (68 °F), 11 rain days82 °F (28 °C) / 68 °F (20 °C), 11 rain days
Uchiko28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Uda29 °C (84 °F) / 19 °C (66 °F), 12 rain days84 °F (29 °C) / 66 °F (19 °C), 12 rain days
Ueda26 °C (79 °F) / 16 °C (61 °F), 12 rain days79 °F (26 °C) / 61 °F (16 °C), 12 rain days
Ugo25 °C (77 °F) / 16 °C (61 °F), 13 rain days77 °F (25 °C) / 61 °F (16 °C), 13 rain days
Uji29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Uki28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Universal Studios Japan30 °C (86 °F) / 22 °C (72 °F), 10 rain days86 °F (30 °C) / 72 °F (22 °C), 10 rain days
Unzen28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Urayasu28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Ureshino28 °C (82 °F) / 22 °C (72 °F), 11 rain days82 °F (28 °C) / 72 °F (22 °C), 11 rain days
Uruma30 °C (86 °F) / 26 °C (79 °F), 13 rain days86 °F (30 °C) / 79 °F (26 °C), 13 rain days
Usa28 °C (82 °F) / 20 °C (68 °F), 9 rain days82 °F (28 °C) / 68 °F (20 °C), 9 rain days
Ushiku28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Uto29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Utsunomiya27 °C (81 °F) / 18 °C (64 °F), 12 rain days81 °F (27 °C) / 64 °F (18 °C), 12 rain days
Uwajima29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Wajima26 °C (79 °F) / 17 °C (63 °F), 10 rain days79 °F (26 °C) / 63 °F (17 °C), 10 rain days
Wakayama29 °C (84 °F) / 22 °C (72 °F), 11 rain days84 °F (29 °C) / 72 °F (22 °C), 11 rain days
Wake28 °C (82 °F) / 20 °C (68 °F), 12 rain days82 °F (28 °C) / 68 °F (20 °C), 12 rain days
Wakura Onsen27 °C (81 °F) / 20 °C (68 °F), 13 rain days81 °F (27 °C) / 68 °F (20 °C), 13 rain days
Yabe29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Yachimata29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Yakage27 °C (81 °F) / 20 °C (68 °F), 9 rain days81 °F (27 °C) / 68 °F (20 °C), 9 rain days
Yakushima28 °C (82 °F) / 22 °C (72 °F), 15 rain days82 °F (28 °C) / 72 °F (22 °C), 15 rain days
Yamaga28 °C (82 °F) / 20 °C (68 °F), 7 rain days82 °F (28 °C) / 68 °F (20 °C), 7 rain days
Yamagata26 °C (79 °F) / 17 °C (63 °F), 12 rain days79 °F (26 °C) / 63 °F (17 °C), 12 rain days
Yamaguchi28 °C (82 °F) / 19 °C (66 °F), 10 rain days82 °F (28 °C) / 66 °F (19 °C), 10 rain days
Yamanashi27 °C (81 °F) / 16 °C (61 °F), 11 rain days81 °F (27 °C) / 61 °F (16 °C), 11 rain days
Yamanouchi24 °C (75 °F) / 15 °C (59 °F), 13 rain days75 °F (24 °C) / 59 °F (15 °C), 13 rain days
Yame29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Yanai28 °C (82 °F) / 20 °C (68 °F), 9 rain days82 °F (28 °C) / 68 °F (20 °C), 9 rain days
Yao29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Yaotsu28 °C (82 °F) / 18 °C (64 °F), 11 rain days82 °F (28 °C) / 64 °F (18 °C), 11 rain days
Yashio29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Yasugi27 °C (81 °F) / 20 °C (68 °F), 10 rain days81 °F (27 °C) / 68 °F (20 °C), 10 rain days
Yatsushiro28 °C (82 °F) / 22 °C (72 °F), 9 rain days82 °F (28 °C) / 72 °F (22 °C), 9 rain days
Yokkaichi27 °C (81 °F) / 21 °C (70 °F), 9 rain days81 °F (27 °C) / 70 °F (21 °C), 9 rain days
Yokosuka27 °C (81 °F) / 21 °C (70 °F), 12 rain days81 °F (27 °C) / 70 °F (21 °C), 12 rain days
Yokote24 °C (75 °F) / 16 °C (61 °F), 11 rain days75 °F (24 °C) / 61 °F (16 °C), 11 rain days
Yomogita23 °C (73 °F) / 15 °C (59 °F), 9 rain days73 °F (23 °C) / 59 °F (15 °C), 9 rain days
Yonago27 °C (81 °F) / 18 °C (64 °F), 7 rain days81 °F (27 °C) / 64 °F (18 °C), 7 rain days
Yonezawa25 °C (77 °F) / 16 °C (61 °F), 13 rain days77 °F (25 °C) / 61 °F (16 °C), 13 rain days
Yoro24 °C (75 °F) / 16 °C (61 °F), 11 rain days75 °F (24 °C) / 61 °F (16 °C), 11 rain days
Yoron31 °C (88 °F) / 25 °C (77 °F), 11 rain days88 °F (31 °C) / 77 °F (25 °C), 11 rain days
Yoshino29 °C (84 °F) / 20 °C (68 °F), 11 rain days84 °F (29 °C) / 68 °F (20 °C), 11 rain days
Yoshinogari29 °C (84 °F) / 21 °C (70 °F), 11 rain days84 °F (29 °C) / 70 °F (21 °C), 11 rain days
Yufu27 °C (81 °F) / 19 °C (66 °F), 11 rain days81 °F (27 °C) / 66 °F (19 °C), 11 rain days
Yunotsu28 °C (82 °F) / 19 °C (66 °F), 12 rain days82 °F (28 °C) / 66 °F (19 °C), 12 rain days
Yurihama27 °C (81 °F) / 20 °C (68 °F), 6 rain days81 °F (27 °C) / 68 °F (20 °C), 6 rain days
Yurihonjo25 °C (77 °F) / 16 °C (61 °F), 15 rain days77 °F (25 °C) / 61 °F (16 °C), 15 rain days
Yuzawa25 °C (77 °F) / 15 °C (59 °F), 14 rain days77 °F (25 °C) / 59 °F (15 °C), 14 rain days
Yuzawa25 °C (77 °F) / 18 °C (64 °F), 15 rain days77 °F (25 °C) / 64 °F (18 °C), 15 rain days
Zamami30 °C (86 °F) / 26 °C (79 °F), 9 rain days86 °F (30 °C) / 79 °F (26 °C), 9 rain days
Zao24 °C (75 °F) / 16 °C (61 °F), 12 rain days75 °F (24 °C) / 61 °F (16 °C), 12 rain days
Zao Onsen22 °C (72 °F) / 14 °C (57 °F), 13 rain days72 °F (22 °C) / 57 °F (14 °C), 13 rain days
Zentsuji29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days
Zushi27 °C (81 °F) / 20 °C (68 °F), 7 rain days81 °F (27 °C) / 68 °F (20 °C), 7 rain days
Nagoya29 °C (84 °F) / 21 °C (70 °F), 12 rain days84 °F (29 °C) / 70 °F (21 °C), 12 rain days

Festivals and holidays

Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.

Silver Week
Mid-Sep (some years a 5-day run)
Long weekends fill trains and hotels in years when holidays line up.
Typhoon season
Peaks late August–September · Osaka
Trains and KIX flights can stop for a day; watch the forecast two days out.
Kishiwada Danjiri Matsuri check
Mid-September weekend; a second round in October in nearby districts (check) · Osaka
Heavy wooden floats pulled at a run round corners; trains packed.
Grand Sumo tournaments check
15 days, starting the second Sunday of the month · Tokyo
Tickets sell out on release weekends; same-day unreserved seats in small numbers (check).

Crowds and prices

Crowds · Japan: Medium
Prices · Japan: Medium

Compare two months

Weather, crowds and prices for any two months in Japan, side by side.

First month

Second month

Verdict
Sep: Mixed
May: Great (better)
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 4
May: 5

September: Still hot; typhoon peak can cancel flights and ferries for a day or two.

May: After Golden Week, one of the best months: warm, green, calmer.

Japan: figures are long-term averages from this guide, not a forecast.

What to pack

A rain jacket or umbrella and shoes that dry fast
A spare day in the plan: storms can cancel flights and ferries

Build the full packing list for your trip →

Where to go in September

Rated best or good this month

Hokkaidō
Best weather of the year (Sapporo, Niseko)
Abashiri
Best months: Jun–Sep
Achi
Best months: Apr–Oct (clear skies, mild weather)
Aki
Best months: Mar–May, Sep–Nov
Akita
Best months: May–Jun, Sep–Oct
Amakusa
Best months: Apr–Oct
Amanohashidate
Best months: Apr–Oct
Aomori
Best months: May–Jun, Sep–Oct; early Aug for Nebuta
Asakuchi
Best months: Mar–May, Sep–Nov
Atsugi
Best months: Mar–May, Sep–Nov
Awaji Island
Best months: Mar–May, Sep–Nov
Chino
Best months: Apr–Oct

Better another month

Honshū cities
Rainy season June to mid-July; humid heat July–August; typhoon risk peaks in September.
Okinawa
Subtropical; rainy season May–June, typhoons July–September.