When to go · Karatsu
Karatsu, month by month
The best months for Karatsu: Mar, Apr, May, Oct, Nov. Months to avoid: Jun, Jul, Aug.
Month by month
- JanuaryGoodOutside the best window (Mar–May, Oct–Nov). Across Japan: Cold, dry and clear in the cities after 3 Jan; ski season in Hokkaidō and the Alps.10 °C (50 °F) / 3 °C (37 °F), 9 rain days50 °F (10 °C) / 37 °F (3 °C), 9 rain daysCrowds: Low · 1 festival or holiday
- FebruaryGoodOutside the best window (Mar–May, Oct–Nov). Across Japan: Cheapest city month; Sapporo is the exception during the Snow Festival.11 °C (52 °F) / 3 °C (37 °F), 8 rain days52 °F (11 °C) / 37 °F (3 °C), 8 rain daysCrowds: Low
- MarchGreatInside Karatsu's best window: Mar–May, Oct–Nov.15 °C (59 °F) / 6 °C (43 °F), 10 rain days59 °F (15 °C) / 43 °F (6 °C), 10 rain daysCrowds: High · 1 festival or holiday
- AprilGreatInside Karatsu's best window: Mar–May, Oct–Nov.20 °C (68 °F) / 11 °C (52 °F), 9 rain days68 °F (20 °C) / 52 °F (11 °C), 9 rain daysCrowds: High · 2 festivals or holidays
- MayGreatInside Karatsu's best window: Mar–May, Oct–Nov.24 °C (75 °F) / 15 °C (59 °F), 9 rain days75 °F (24 °C) / 59 °F (15 °C), 9 rain daysCrowds: Medium · 1 festival or holiday
- JuneAvoidListed as a month to avoid: Jun–Jul (rainy season), Aug (hot and humid), 2–4 Nov if you want a quiet town.27 °C (81 °F) / 19 °C (66 °F), 12 rain days81 °F (27 °C) / 66 °F (19 °C), 12 rain daysCrowds: Low
- JulyAvoidListed as a month to avoid: Jun–Jul (rainy season), Aug (hot and humid), 2–4 Nov if you want a quiet town.31 °C (88 °F) / 24 °C (75 °F), 12 rain days88 °F (31 °C) / 75 °F (24 °C), 12 rain daysCrowds: Medium
- AugustAvoidListed as a month to avoid: Jun–Jul (rainy season), Aug (hot and humid), 2–4 Nov if you want a quiet town.32 °C (90 °F) / 25 °C (77 °F), 10 rain days90 °F (32 °C) / 77 °F (25 °C), 10 rain daysCrowds: High · 1 festival or holiday
- SeptemberMixedOutside the best window (Mar–May, Oct–Nov). Across Japan: Still hot; typhoon peak can cancel flights and ferries for a day or two.28 °C (82 °F) / 21 °C (70 °F), 10 rain days82 °F (28 °C) / 70 °F (21 °C), 10 rain daysCrowds: Medium
- OctoberGreatInside Karatsu's best window: Mar–May, Oct–Nov.23 °C (73 °F) / 15 °C (59 °F), 7 rain days73 °F (23 °C) / 59 °F (15 °C), 7 rain daysCrowds: Medium
- NovemberGreatInside Karatsu's best window: Mar–May, Oct–Nov.18 °C (64 °F) / 9 °C (48 °F), 7 rain days64 °F (18 °C) / 48 °F (9 °C), 7 rain daysCrowds: High
- DecemberGoodOutside the best window (Mar–May, Oct–Nov). Across Japan: Cold and clear until the New Year shutdown from 29 Dec.13 °C (55 °F) / 5 °C (41 °F), 8 rain days55 °F (13 °C) / 41 °F (5 °C), 8 rain daysCrowds: Medium · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Karatsu, side by side.
Verdict
Mar: Great
Apr: Great
Daytime high
Mar: 15 °C (59 °F)59 °F (15 °C)
Apr: 20 °C (68 °F)68 °F (20 °C)
Night low
Mar: 6 °C (43 °F)43 °F (6 °C)
Apr: 11 °C (52 °F)52 °F (11 °C)
Rain days
Mar: 10
Apr: 9 (better)
Crowds
Mar: High
Apr: High
Prices
Mar: High
Apr: High
Festivals listed
Mar: 1
Apr: 2
March: Inside Karatsu's best window: Mar–May, Oct–Nov.
April: Inside Karatsu's best window: Mar–May, Oct–Nov.
Karatsu: figures are long-term averages from this guide, not a forecast.