When to go · South Korea
South Korea in May
Great month. Warm and dry; Buddha's Birthday lanterns and Children's Day crowds.
Key facts
- Verdict
- Great
- Crowds
- High
- South Korea
- Prices
- High
- South Korea
Verdict
Warm and dry; Buddha's Birthday lanterns and Children's Day crowds.
Is another month better than May?
No other month rates higher than May for South Korea in this guide.
Weather in May
- Seoul and north-west · Seoul, Incheon, Suwon, the DMZbest weather
Continental: dry winters down to −15 °C (5 °F) on cold snaps, hot humid summers. Fine dust (yellow dust and pollution) peaks Mar–Apr; the monsoon runs late Jun – Jul.Continental: dry winters down to 5 °F (−15 °C) on cold snaps, hot humid summers. Fine dust (yellow dust and pollution) peaks Mar–Apr; the monsoon runs late Jun – Jul.
- Busan and south-east coast · Busan, Gyeongju, Tongyeong, Ulsanbest weather
Milder winters than Seoul, rarely below freezing; typhoons most likely Aug–Sep and ferries to Japan stop when they pass.
- Jeju · Jeju City, Seogwipo, Hallasanbest weather
Windy and wet; the island takes the first hit of most typhoons. Hallasan summit gets snow in winter; flights stop in strong crosswinds.
- Gangwon mountains and east coast · Sokcho, Seoraksan, Gangneung, Pyeongchangbest weather
Coldest region: ski season Dec–Feb, peak autumn colour mid-October in Seoraksan; summer beaches crowded in late Jul – Aug.
- Gangwon: East coast (Sokcho, Gangneung, Yangyang) · East Sea shorelinebest weather
Milder than the interior; sea fog and rain in July–August, typhoon tail-ends in late summer.
- Gangwon: Inland mountains (Pyeongchang, Taebaek, Inje) · Taebaek rangebest weather
Coldest in Korea in winter; ski resorts usually run late November to March. Autumn colour peaks in October.
- Gyeonggi: Gyeonggi lowlands (Suwon, Incheon, Gimpo) · west and south of Seoulbest weather
Monsoon rain late June to July; August is hot and humid; January nights drop well below freezing.
- Gyeonggi: Eastern hills (Gapyeong, Yangpyeong, Pocheon) · Gyeongchun and Jungang line corridorsbest weather
A few degrees cooler than the lowlands; autumn colour peaks in late October and early November.
- Jeju: Jeju City / north coast · island northbest weather
Milder than the mainland; heaviest rain June–September, typhoons Aug–Sep.
- Jeju: Seogwipo / south coast · island southbest weather
Wetter and slightly warmer than the north; Hallasan summit is much colder and often in cloud.
- North Chungcheong: Inland basin (Cheongju, Chungju, Jecheon) · Province-wide, landlockedbest weather
Continent-style swings: July–August humid and 30 °C (86 °F)+, January often below -5 °C (23 °F). Rainy season (jangma) late June to mid-July; autumn leaves peak late October to early November.Continent-style swings: July–August humid and 86 °F (30 °C)+, January often below 23 °F (-5 °C). Rainy season (jangma) late June to mid-July; autumn leaves peak late October to early November.
- North Gyeongsang: Inland basin (Gyeongju, Andong, Daegu) · Interior valleys ringed by the Sobaek and Taebaek rangesbest weather
Daegu and the basins run several degrees hotter than the coast in July–August; monsoon rain lands late June to July, and typhoons can reach the east coast in August–September.
- North Gyeongsang: East coast (Pohang) · Seaward side of the Taebaek rangebest weather
Milder winters and cooler summers than the interior; sea fog and wind are the trade-off.
- North Jeolla: Jeonju and the plains · Inland basin, west of the mountainsbest weather
Hot, humid July–August; monsoon rain late June to July; cold, dry winters. Autumn is the clearest and busiest.
- North Jeolla: Mountains (Muju, Deogyusan) · East of the provincebest weather
Cooler than the plains; snow and skiing December to early March; foliage peaks in October.
- South Chungcheong: Inland (Cheonan, Daejeon, Gongju, Buyeo) · Province interiorbest weather
Rainy season (jangma) late June to mid-July; August is humid and 30 °C (86 °F)+; January nights drop well below freezing.Rainy season (jangma) late June to mid-July; August is humid and 86 °F (30 °C)+; January nights drop well below freezing.
- South Chungcheong: West coast (Seosan, Dangjin, Hongseong) · Yellow Sea shorebest weather
Coastal fog and wind in spring; tidal flats are best at low tide — check the tide table before you go.
- South Gyeongsang: South coast (Busan, Tongyeong, Geoje) · coast and islandsbest weather
Rainy season (jangma) late June to mid-July; typhoons can hit Aug-Sep and stop ferries for a day.
- South Gyeongsang: Inland (Jinju, Miryang, Hapcheon) · Nakdong basin and mountainsbest weather
Hotter and colder than the coast; Haeinsa sits high and is cooler in summer.
- South Jeolla: Gwangju and the interior · Honam plainbest weather
Warmest province on the peninsula; July–August average highs near 30 °C (86 °F) with 290–330 mm of rain each month. Spring and October are the dry, comfortable windows.Warmest province on the peninsula; July–August average highs near 86 °F (30 °C) with 290–330 mm of rain each month. Spring and October are the dry, comfortable windows.
- South Jeolla: Yeosu and the south coast · Yellow Sea and Jeju Straitbest weather
Sea moderates the heat; fog and wind can delay ferries in spring and autumn.
- Seoul24 °C (75 °F) / 13 °C (55 °F), 10 rain days75 °F (24 °C) / 55 °F (13 °C), 10 rain days
- Andong25 °C (77 °F) / 11 °C (52 °F), 8 rain days77 °F (25 °C) / 52 °F (11 °C), 8 rain days
- Ansan23 °C (73 °F) / 11 °C (52 °F), 8 rain days73 °F (23 °C) / 52 °F (11 °C), 8 rain days
- Anseong25 °C (77 °F) / 12 °C (54 °F), 8 rain days77 °F (25 °C) / 54 °F (12 °C), 8 rain days
- Anyang23.4 °C (74 °F) / 13.9 °C (57 °F), 8 rain days74 °F (23.4 °C) / 57 °F (13.9 °C), 8 rain days
- Asan24 °C (75 °F) / 13 °C (55 °F), 8 rain days75 °F (24 °C) / 55 °F (13 °C), 8 rain days
- Baengnyeong Island18.7 °C (66 °F) / 11.1 °C (52 °F), 74 rain days66 °F (18.7 °C) / 52 °F (11.1 °C), 74 rain days
- Boryeong22 °C (72 °F) / 12 °C (54 °F), 8 rain days72 °F (22 °C) / 54 °F (12 °C), 8 rain days
- Buan12 °C (54 °F) / 23 °C (73 °F), 85 rain days54 °F (12 °C) / 73 °F (23 °C), 85 rain days
- Bucheon22 °C (72 °F) / 13 °C (55 °F), 8 rain days72 °F (22 °C) / 55 °F (13 °C), 8 rain days
- Bundang25 °C (77 °F) / 13 °C (55 °F), 9 rain days77 °F (25 °C) / 55 °F (13 °C), 9 rain days
- Buyeo25 °C (77 °F) / 12 °C (54 °F), 8 rain days77 °F (25 °C) / 54 °F (12 °C), 8 rain days
- Changwon24 °C (75 °F) / 14 °C (57 °F), 9 rain days75 °F (24 °C) / 57 °F (14 °C), 9 rain days
- Cheonan24.1 °C (75 °F) / 11.4 °C (53 °F), 7 rain days75 °F (24.1 °C) / 53 °F (11.4 °C), 7 rain days
- Cheongju25 °C (77 °F) / 13 °C (55 °F), 8 rain days77 °F (25 °C) / 55 °F (13 °C), 8 rain days
- Cheorwon23 °C (73 °F) / 10 °C (50 °F), 9 rain days73 °F (23 °C) / 50 °F (10 °C), 9 rain days
- Chujado20 °C (68 °F) / 13 °C (55 °F), 10 rain days68 °F (20 °C) / 55 °F (13 °C), 10 rain days
- Chuncheon24 °C (75 °F) / 11 °C (52 °F), 9 rain days75 °F (24 °C) / 52 °F (11 °C), 9 rain days
- Daebudo22 °C (72 °F) / 12 °C (54 °F), 8 rain days72 °F (22 °C) / 54 °F (12 °C), 8 rain days
- Daegu26 °C (79 °F) / 14 °C (57 °F), 7 rain days79 °F (26 °C) / 57 °F (14 °C), 7 rain days
- Daejeon25 °C (77 °F) / 13 °C (55 °F), 8 rain days77 °F (25 °C) / 55 °F (13 °C), 8 rain days
- Damyang25 °C (77 °F) / 13 °C (55 °F), 8 rain days77 °F (25 °C) / 55 °F (13 °C), 8 rain days
- Dangjin21 °C (70 °F) / 14 °C (57 °F), 8 rain days70 °F (21 °C) / 57 °F (14 °C), 8 rain days
- Danyang27 °C (81 °F) / 11 °C (52 °F), 9 rain days81 °F (27 °C) / 52 °F (11 °C), 9 rain days
- Deokjeok Island21 °C (70 °F) / 12 °C (54 °F), 8 rain days70 °F (21 °C) / 54 °F (12 °C), 8 rain days
- Deokso20 °C (68 °F) / 10 °C (50 °F), 8 rain days68 °F (20 °C) / 50 °F (10 °C), 8 rain days
- Dongducheon25 °C (77 °F) / 11 °C (52 °F), 9 rain days77 °F (25 °C) / 52 °F (11 °C), 9 rain days
- Donghae22 °C (72 °F) / 12 °C (54 °F), 8 rain days72 °F (22 °C) / 54 °F (12 °C), 8 rain days
- Ganghwa Island22 °C (72 °F) / 13 °C (55 °F), 8 rain days72 °F (22 °C) / 55 °F (13 °C), 8 rain days
- Gangneung22 °C (72 °F) / 12 °C (54 °F), 9 rain days72 °F (22 °C) / 54 °F (12 °C), 9 rain days
- Gapado20 °C (68 °F) / 13 °C (55 °F), 9 rain days68 °F (20 °C) / 55 °F (13 °C), 9 rain days
- Gapyeong23 °C (73 °F) / 11 °C (52 °F), 9 rain days73 °F (23 °C) / 52 °F (11 °C), 9 rain days
- Geoje23.1 °C (74 °F) / 13 °C (55 °F), 9 rain days74 °F (23.1 °C) / 55 °F (13 °C), 9 rain days
- Geomundo21 °C (70 °F) / 13 °C (55 °F), 9 rain days70 °F (21 °C) / 55 °F (13 °C), 9 rain days
- Gimcheon24 °C (75 °F) / 14 °C (57 °F), 8 rain days75 °F (24 °C) / 57 °F (14 °C), 8 rain days
- Gimhae25 °C (77 °F) / 15 °C (59 °F), 11 rain days77 °F (25 °C) / 59 °F (15 °C), 11 rain days
- Gimje18 °C (64 °F) / 9 °C (48 °F), 9 rain days64 °F (18 °C) / 48 °F (9 °C), 9 rain days
- Gimpo23 °C (73 °F) / 13 °C (55 °F), 9 rain days73 °F (23 °C) / 55 °F (13 °C), 9 rain days
- Goheung23 °C (73 °F) / 12 °C (54 °F), 11 rain days73 °F (23 °C) / 54 °F (12 °C), 11 rain days
- Gongju25 °C (77 °F) / 12 °C (54 °F), 8 rain days77 °F (25 °C) / 54 °F (12 °C), 8 rain days
- Goryeong24 °C (75 °F) / 12 °C (54 °F), 9 rain days75 °F (24 °C) / 54 °F (12 °C), 9 rain days
- Goseong22 °C (72 °F) / 11 °C (52 °F), 9 rain days72 °F (22 °C) / 52 °F (11 °C), 9 rain days
- Goyang25 °C (77 °F) / 11 °C (52 °F), 9 rain days77 °F (25 °C) / 52 °F (11 °C), 9 rain days
- Guinsa20 °C (68 °F) / 11 °C (52 °F), 8 rain days68 °F (20 °C) / 52 °F (11 °C), 8 rain days
- Gumi25 °C (77 °F) / 12 °C (54 °F), 8 rain days77 °F (25 °C) / 54 °F (12 °C), 8 rain days
- Gunpo24 °C (75 °F) / 14 °C (57 °F), 8 rain days75 °F (24 °C) / 57 °F (14 °C), 8 rain days
- Gunsan22 °C (72 °F) / 13 °C (55 °F), 8 rain days72 °F (22 °C) / 55 °F (13 °C), 8 rain days
- Gunwi County22 °C (72 °F) / 10 °C (50 °F), 3 rain days72 °F (22 °C) / 50 °F (10 °C), 3 rain days
- Gwacheon22 °C (72 °F) / 12 °C (54 °F), 10 rain days72 °F (22 °C) / 54 °F (12 °C), 10 rain days
- Gwanggyo23 °C (73 °F) / 12 °C (54 °F), 9 rain days73 °F (23 °C) / 54 °F (12 °C), 9 rain days
- Gwangju, Gyeonggi24 °C (75 °F) / 11 °C (52 °F), 8 rain days75 °F (24 °C) / 52 °F (11 °C), 8 rain days
- Gwangju25 °C (77 °F) / 13 °C (55 °F), 9 rain days77 °F (25 °C) / 55 °F (13 °C), 9 rain days
- Gwangmyeong24 °C (75 °F) / 14 °C (57 °F), 8 rain days75 °F (24 °C) / 57 °F (14 °C), 8 rain days
- Gwangyang23 °C (73 °F) / 13 °C (55 °F), 8 rain days73 °F (23 °C) / 55 °F (13 °C), 8 rain days
- Gyeongju26 °C (79 °F) / 12 °C (54 °F), 7 rain days79 °F (26 °C) / 54 °F (12 °C), 7 rain days
- Gyeongsan23 °C (73 °F) / 11 °C (52 °F), 8 rain days73 °F (23 °C) / 52 °F (11 °C), 8 rain days
- Haenam23 °C (73 °F) / 12 °C (54 °F), 9 rain days73 °F (23 °C) / 54 °F (12 °C), 9 rain days
- Hampyeong23 °C (73 °F) / 13 °C (55 °F), 9 rain days73 °F (23 °C) / 55 °F (13 °C), 9 rain days
- Hapcheon26 °C (79 °F) / 11 °C (52 °F), 8 rain days79 °F (26 °C) / 52 °F (11 °C), 8 rain days
- Hongdo20 °C (68 °F) / 12 °C (54 °F), 8 rain days68 °F (20 °C) / 54 °F (12 °C), 8 rain days
- Hongseong22 °C (72 °F) / 11 °C (52 °F), 9 rain days72 °F (22 °C) / 52 °F (11 °C), 9 rain days
- Hwaseong23 °C (73 °F) / 12 °C (54 °F), 8 rain days73 °F (23 °C) / 54 °F (12 °C), 8 rain days
- Icheon24.4 °C (76 °F) / 11.2 °C (52 °F), 11 rain days76 °F (24.4 °C) / 52 °F (11.2 °C), 11 rain days
- Iksan22 °C (72 °F) / 12 °C (54 °F), 0 rain days72 °F (22 °C) / 54 °F (12 °C), 0 rain days
- Inje24.5 °C (76 °F) / 11 °C (52 °F), 9 rain days76 °F (24.5 °C) / 52 °F (11 °C), 9 rain days
- Jangheung23.6 °C (74 °F) / 11.3 °C (52 °F), 9 rain days74 °F (23.6 °C) / 52 °F (11.3 °C), 9 rain days
- Jebudo22 °C (72 °F) / 13 °C (55 °F), 8 rain days72 °F (22 °C) / 55 °F (13 °C), 8 rain days
- Jecheon23 °C (73 °F) / 9 °C (48 °F), 8 rain days73 °F (23 °C) / 48 °F (9 °C), 8 rain days
- Jeongdongjin20 °C (68 °F) / 10 °C (50 °F), 3 rain days68 °F (20 °C) / 50 °F (10 °C), 3 rain days
- Jeongeup25 °C (77 °F) / 12 °C (54 °F), 9 rain days77 °F (25 °C) / 54 °F (12 °C), 9 rain days
- Jeongseon21 °C (70 °F) / 8 °C (46 °F), 9 rain days70 °F (21 °C) / 46 °F (8 °C), 9 rain days
- Jeonju25 °C (77 °F) / 13 °C (55 °F), 8 rain days77 °F (25 °C) / 55 °F (13 °C), 8 rain days
- Jindo22 °C (72 °F) / 13 °C (55 °F), 9 rain days72 °F (22 °C) / 55 °F (13 °C), 9 rain days
- Jinju25 °C (77 °F) / 12 °C (54 °F), 9 rain days77 °F (25 °C) / 54 °F (12 °C), 9 rain days
- Jumunjin23 °C (73 °F) / 12 °C (54 °F), 9 rain days73 °F (23 °C) / 54 °F (12 °C), 9 rain days
- Miryang25 °C (77 °F) / 12 °C (54 °F), 8 rain days77 °F (25 °C) / 54 °F (12 °C), 8 rain days
- Mokpo22 °C (72 °F) / 14 °C (57 °F), 9 rain days72 °F (22 °C) / 57 °F (14 °C), 9 rain days
- Muan23.3 °C (74 °F) / 12.2 °C (54 °F), 8 rain days74 °F (23.3 °C) / 54 °F (12.2 °C), 8 rain days
- Muju23 °C (73 °F) / 11 °C (52 °F), 9 rain days73 °F (23 °C) / 52 °F (11 °C), 9 rain days
- Mungyeong24 °C (75 °F) / 10.6 °C (51 °F), 8 rain days75 °F (24 °C) / 51 °F (10.6 °C), 8 rain days
- Naju13 °C (55 °F) / 24 °C (75 °F), 62 rain days55 °F (13 °C) / 75 °F (24 °C), 62 rain days
- Namhae22 °C (72 °F) / 13 °C (55 °F), 5 rain days72 °F (22 °C) / 55 °F (13 °C), 5 rain days
- Namwon10.7 °C (51 °F) / 24.8 °C (77 °F), 90 rain days51 °F (10.7 °C) / 77 °F (24.8 °C), 90 rain days
- Namyangju25 °C (77 °F) / 10 °C (50 °F), 8 rain days77 °F (25 °C) / 50 °F (10 °C), 8 rain days
- Nonsan23 °C (73 °F) / 13 °C (55 °F), 8 rain days73 °F (23 °C) / 55 °F (13 °C), 8 rain days
- Paju24 °C (75 °F) / 11 °C (52 °F), 8 rain days75 °F (24 °C) / 52 °F (11 °C), 8 rain days
- Pangyo23 °C (73 °F) / 12 °C (54 °F), 8 rain days73 °F (23 °C) / 54 °F (12 °C), 8 rain days
- Pocheon25 °C (77 °F) / 11 °C (52 °F), 9 rain days77 °F (25 °C) / 52 °F (11 °C), 9 rain days
- Pohang24 °C (75 °F) / 14 °C (57 °F), 8 rain days75 °F (24 °C) / 57 °F (14 °C), 8 rain days
- Pyeongchang20 °C (68 °F) / 8 °C (46 °F), 9 rain days68 °F (20 °C) / 46 °F (8 °C), 9 rain days
- Pyeongtaek25 °C (77 °F) / 13 °C (55 °F), 8 rain days77 °F (25 °C) / 55 °F (13 °C), 8 rain days
- Sacheon21 °C (70 °F) / 13 °C (55 °F), 9 rain days70 °F (21 °C) / 55 °F (13 °C), 9 rain days
- Samcheok20 °C (68 °F) / 11 °C (52 °F), 7 rain days68 °F (20 °C) / 52 °F (11 °C), 7 rain days
- Sangju25 °C (77 °F) / 12 °C (54 °F), 8 rain days77 °F (25 °C) / 54 °F (12 °C), 8 rain days
- Sejong City25 °C (77 °F) / 11 °C (52 °F), 8 rain days77 °F (25 °C) / 52 °F (11 °C), 8 rain days
- Seogwipo22 °C (72 °F) / 14 °C (57 °F), 9 rain days72 °F (22 °C) / 57 °F (14 °C), 9 rain days
- Seongju County25 °C (77 °F) / 12 °C (54 °F), 9 rain days77 °F (25 °C) / 54 °F (12 °C), 9 rain days
- Seongnam22 °C (72 °F) / 12 °C (54 °F), 8 rain days72 °F (22 °C) / 54 °F (12 °C), 8 rain days
- Seosan22.5 °C (73 °F) / 11.4 °C (53 °F), 9 rain days73 °F (22.5 °C) / 53 °F (11.4 °C), 9 rain days
- Siheung23 °C (73 °F) / 13 °C (55 °F), 7 rain days73 °F (23 °C) / 55 °F (13 °C), 7 rain days
- Sokcho22 °C (72 °F) / 12 °C (54 °F), 8 rain days72 °F (22 °C) / 54 °F (12 °C), 8 rain days
- Somaemuldo22 °C (72 °F) / 13 °C (55 °F), 9 rain days72 °F (22 °C) / 55 °F (13 °C), 9 rain days
- Songdo21 °C (70 °F) / 12 °C (54 °F), 8 rain days70 °F (21 °C) / 54 °F (12 °C), 8 rain days
- Suanbo23 °C (73 °F) / 12 °C (54 °F), 7 rain days73 °F (23 °C) / 54 °F (12 °C), 7 rain days
- Suwon24 °C (75 °F) / 12 °C (54 °F), 9 rain days75 °F (24 °C) / 54 °F (12 °C), 9 rain days
- Taebaek21 °C (70 °F) / 8 °C (46 °F), 9 rain days70 °F (21 °C) / 46 °F (8 °C), 9 rain days
- Tongyeong22 °C (72 °F) / 14 °C (57 °F), 9 rain days72 °F (22 °C) / 57 °F (14 °C), 9 rain days
- Udo Island20 °C (68 °F) / 12 °C (54 °F), 9 rain days68 °F (20 °C) / 54 °F (12 °C), 9 rain days
- Uijeongbu-si23 °C (73 °F) / 12 °C (54 °F), 9 rain days73 °F (23 °C) / 54 °F (12 °C), 9 rain days
- Uijeongbu23 °C (73 °F) / 12 °C (54 °F), 7 rain days73 °F (23 °C) / 54 °F (12 °C), 7 rain days
- Uiryeong23 °C (73 °F) / 15 °C (59 °F), 9 rain days73 °F (23 °C) / 59 °F (15 °C), 9 rain days
- Uiwang19 °C (66 °F) / 9 °C (48 °F), 6 rain days66 °F (19 °C) / 48 °F (9 °C), 6 rain days
- Ulsan24 °C (75 °F) / 13 °C (55 °F), 8 rain days75 °F (24 °C) / 55 °F (13 °C), 8 rain days
- Wonju24 °C (75 °F) / 12 °C (54 °F), 0 rain days75 °F (24 °C) / 54 °F (12 °C), 0 rain days
- Yanggu23 °C (73 °F) / 11 °C (52 °F), 10 rain days73 °F (23 °C) / 52 °F (11 °C), 10 rain days
- Yangju24 °C (75 °F) / 11 °C (52 °F), 9 rain days75 °F (24 °C) / 52 °F (11 °C), 9 rain days
- Yangsan25 °C (77 °F) / 14 °C (57 °F), 9 rain days77 °F (25 °C) / 57 °F (14 °C), 9 rain days
- Yangyang22 °C (72 °F) / 13 °C (55 °F), 8 rain days72 °F (22 °C) / 55 °F (13 °C), 8 rain days
- Yecheon25 °C (77 °F) / 12 °C (54 °F), 6 rain days77 °F (25 °C) / 54 °F (12 °C), 6 rain days
- Yeoju25 °C (77 °F) / 11 °C (52 °F), 72 rain days77 °F (25 °C) / 52 °F (11 °C), 72 rain days
- Yeoncheon23 °C (73 °F) / 11 °C (52 °F), 7 rain days73 °F (23 °C) / 52 °F (11 °C), 7 rain days
- Yeongcheon23 °C (73 °F) / 13 °C (55 °F), 8 rain days73 °F (23 °C) / 55 °F (13 °C), 8 rain days
- Yeongjong Island20 °C (68 °F) / 11 °C (52 °F), 8 rain days68 °F (20 °C) / 52 °F (11 °C), 8 rain days
- Yeongju22 °C (72 °F) / 10 °C (50 °F), 9 rain days72 °F (22 °C) / 50 °F (10 °C), 9 rain days
- Yeongwol20 °C (68 °F) / 10 °C (50 °F), 8 rain days68 °F (20 °C) / 50 °F (10 °C), 8 rain days
- Yeonpyeong Island22 °C (72 °F) / 13 °C (55 °F), 9 rain days72 °F (22 °C) / 55 °F (13 °C), 9 rain days
- Yeosu20.6 °C (69 °F) / 14.8 °C (59 °F), 9 rain days69 °F (20.6 °C) / 59 °F (14.8 °C), 9 rain days
- Yesan25 °C (77 °F) / 12 °C (54 °F), 10 rain days77 °F (25 °C) / 54 °F (12 °C), 10 rain days
- Yokjido21 °C (70 °F) / 14 °C (57 °F), 10 rain days70 °F (21 °C) / 57 °F (14 °C), 10 rain days
- Yongin24 °C (75 °F) / 11 °C (52 °F), 8 rain days75 °F (24 °C) / 52 °F (11 °C), 8 rain days
- Yuseong-gu25 °C (77 °F) / 13 °C (55 °F), 9 rain days77 °F (25 °C) / 55 °F (13 °C), 9 rain days
- Busan23 °C (73 °F) / 14 °C (57 °F), 9 rain days73 °F (23 °C) / 57 °F (14 °C), 9 rain days
- Jeju City22 °C (72 °F) / 14 °C (57 °F), 9 rain days72 °F (22 °C) / 57 °F (14 °C), 9 rain days
- Incheon23 °C (73 °F) / 14 °C (57 °F), 8 rain days73 °F (23 °C) / 57 °F (14 °C), 8 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.
Workers' Day
1 May
Many firms and banks close; its status as a full public holiday changed recently — check.
Children's Day
5 May
Amusement parks, zoos and palaces packed with families.
Buddha's Birthday
About 13 May 2027 (8th day of the 4th lunar month — check)
Lantern festival in Seoul the weekend before; temples busy and free meals at some.
Fine and yellow dust season
March to May · Seoul
Some days the air quality index is unhealthy: move outdoor plans and wear a KF94 mask.
Royal Culture Festival check
Spring (and some autumn events) · Seoul
Re-enactments, concerts and night openings; some events need online booking.
Lotus Lantern Festival check
The weekend before Buddha's Birthday · Seoul
Evening lantern parade on the Saturday; street festival by Jogyesa on the Sunday.
Crowds and prices
- Crowds · South Korea
- High
- Prices · South Korea
- High
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in South Korea, side by side.
Verdict
May: Great
Apr: Great
Crowds
May: High
Apr: High
Prices
May: High
Apr: High
Festivals listed
May: 6
Apr: 4
May: Warm and dry; Buddha's Birthday lanterns and Children's Day crowds.
April: Cherry blossom in Seoul and Gyeongju early in the month; dust days still happen.
South Korea: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.
Where to go in May
Rated best or good this month
Seoul and north-west
Best weather of the year (Seoul, Incheon, Suwon, the DMZ)
Busan and south-east coast
Best weather of the year (Busan, Gyeongju, Tongyeong, Ulsan)
Jeju
Best weather of the year (Jeju City, Seogwipo, Hallasan)
Gangwon mountains and east coast
Best weather of the year (Sokcho, Seoraksan, Gangneung, Pyeongchang)
Warm and dry; a good month.
Best months: Sep–Oct; also Apr–May
Best months: Apr–Jun, Sep–Oct
Best months: Apr–May, Sep–Oct
Best months: Apr–May, Oct–Nov
Best months: Apr–May, Sep–Nov
Best months: May–Jun, Sep–Oct
Best months: May–Jun, Sep–Oct; July for the Mud Festival