Kumamoto weather
Best months for weather: Oct–Nov. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Kumamoto, Kumamoto, Japan.
Best Time to Visit
Peak season Oct–NovOff season Jun–Jul, Jan–Feb
Kumamoto weather by month
When is the best time to visit Kumamoto?
Based on weather alone, the best time to visit Kumamoto is Oct–Nov, according to NASA's 2001–2025 climate averages. Jun–Jul, Jan–Feb tends to be the least pleasant. Average highs run from 8°C (47°F) in January to 30°C (86°F) in August.
What is the rainiest month in Kumamoto?
July is the wettest month, with about 394 mm (15.5 in) of rain on average. January is the driest, with about 69 mm (2.7 in).
What is the hottest month in Kumamoto?
August is the warmest, with average highs of 30°C (86°F) and lows of 23°C (73°F). January is the coolest, with highs of 8°C (47°F) and lows of 0°C (33°F).
Kumamoto weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months