Best Time to Visit Kumamoto
Best time: Oct, Nov, May.
Aug is warmest (31.8°C high); Jul is rainiest (387 mm).
Kumamoto weather by month
| Month | High °C | Low °C | Rain mm | Sun hrs |
|---|---|---|---|---|
| Jan | 9.8 | 0.8 | 60 | 3.7 |
| Feb | 11 | 1.8 | 82 | 4.7 |
| Mar | 14.8 | 4.9 | 127 | 6 |
| Apr | 20.4 | 10.1 | 160 | 7.2 |
| May | 24.5 | 14.4 | 197 | 7.9 |
| Jun | 27.1 | 18.9 | 383 | 7.2 |
| Jul | 30.5 | 23.1 | 387 | 7.9 |
| Aug | 31.8 | 23.4 | 187 | 8.2 |
| Sep | 28.3 | 19.7 | 176 | 6.6 |
| Oct | 23.5 | 13.6 | 93 | 5.8 |
| Nov | 17.7 | 7.8 | 74 | 4.3 |
| Dec | 12.3 | 2.6 | 55 | 3.6 |
Average high temperature
Best months by activity
Overall: OctNovMay
Beaches: AugJul
Hiking: NovDecMay
Sightseeing: OctNovDecMay
Kumamoto quick facts
What to pack
Cold months (Jan, Feb, Dec): warm layers and a coat.
Wet months (Mar, Apr, May, Jun, Jul, Aug, Sep, Oct): raincoat and umbrella.
Frequently asked questions
When is the best time to visit Kumamoto?
Oct, Nov, May.
What is the rainiest month?
Jul, about 387 mm.
What is the warmest month?
Aug, with average highs of 31.8°C.
Where to stay
See Kumamoto hotels · Book Kumamoto tours & activities
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Climate data: Open-Meteo Historical (ERA5), 1991–2020 climate normals.
Licensed under CC BY 4.0.
Open-Meteo.