Climate in Fukuoka — Annual Weather Overview
Fukuoka has a subtropical climate — hot summers, mild winters, rainfall spread throughout the year. The hottest month is August (average high 31.0°C) and the coolest is January (9.7°C). The seasons are strongly defined — a 21.3°C swing between August highs and January lows. Annual rainfall totals around 1906mm. August is the wettest month at 327.7mm, while October averages just 45.2mm. Average daily sunshine is 8.1 hours.
**Spring (March, April, May):** average highs 18.5°C, 412mm rain. **Summer (June, July, August):** average highs 28.9°C, 884mm rain. **Autumn (September, October, November):** average highs 22.5°C, 355mm rain. **Winter (December, January, February):** average highs 10.6°C, 254mm rain.
Fukuoka — Monthly Temperatures
Fukuoka — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Fukuoka stays reasonable all year.
Fukuoka weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 9.7°C | 4.4°C | 99.5mm | 6.0h | 12 | 10/10 |
| February | 10.9°C | 4.3°C | 81.9mm | 7.6h | 9 | 10/10 |
| March | 15.4°C | 7.9°C | 123.3mm | 7.7h | 10 | 9/10 |
| April | 17.9°C | 10.6°C | 126.1mm | 8.8h | 8 | 9/10 |
| May | 22.1°C | 15.5°C | 163.1mm | 8.6h | 11 | 9/10 |
| June | 26.0°C | 20.2°C | 236.2mm | 8.5h | 14 | 8/10 |
| July | 29.6°C | 23.9°C | 319.9mm | 8.8h | 20 | 8/10 |
| August | 31.0°C | 25.2°C | 327.7mm | 10.2h | 18 | 8/10 |
| September | 27.5°C | 21.9°C | 233.9mm | 8.3h | 16 | 8/10 |
| October | 22.2°C | 15.6°C | 45.2mm | 8.8h | 5 | 10/10 |
| November | 17.9°C | 10.8°C | 76.0mm | 7.7h | 8 | 10/10 |
| December | 11.2°C | 5.4°C | 72.7mm | 6.4h | 9 | 10/10 |
For the full verdict on when to go, see the best time to visit Fukuoka and the Fukuoka rainy season guide. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Fukuoka have?
Fukuoka has a subtropical climate — hot summers, mild winters, rainfall spread throughout the year. Average highs range from 9.7°C in January to 31.0°C in August.
What is the hottest month in Fukuoka?
August is the hottest month in Fukuoka, with average highs of 31.0°C and lows of 25.2°C.
What is the coldest month in Fukuoka?
January is the coolest month, with average highs of 9.7°C and lows of 4.3°C.
What is the wettest month in Fukuoka?
August is the wettest month, averaging 327.7mm of rainfall over around 18 rainy days.
When is rainy season in Fukuoka?
Rainy season in Fukuoka runs March to September, when rainfall is significantly higher than the rest of the year. Full rainy season guide →
How much rain does Fukuoka get per year?
Fukuoka receives around 1906mm of rain per year. The driest month is October (45.2mm).
When is the best time to visit Fukuoka?
The best time to visit Fukuoka is All year. See the full month-by-month guide →
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Trip essentials for Fukuoka
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.