Winter (December to February)
Cool weather with highs around 11° and lows near 3°, regular rain (9 rainy days per month on average). Not an ideal time for a leisure trip.
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When to visit Japan
Climate · 10-year averages
When to visit Kumamoto?
Best time to visit Kumamoto: from April to Mayandfrom October to November. Month-by-month temperatures, rainfall and sunshine, based on ten years of weather data.
Best time to go
From April to Mayandfrom October to November
Hottest month
August · 31°
Coldest month
January · 2°
Wettest month
June · 421 mm
Climate month by month
Bars: monthly rainfall. Lines: average highs and lows. Month color: our travel comfort index.
- JanuaryMitigé
10° / 2°
- Rain
- 78 mm · 8 d
- Sunshine
- 6.9 h/day
- Humidity
- 73%
- FebruaryMitigé
11° / 3°
- Rain
- 95 mm · 10 d
- Sunshine
- 7.6 h/day
- Humidity
- 72%
- MarchCorrect
16° / 6°
- Rain
- 137 mm · 12 d
- Sunshine
- 8.0 h/day
- Humidity
- 74%
- AprilTrès bien
20° / 11°
- Rain
- 160 mm · 11 d
- Sunshine
- 8.5 h/day
- Humidity
- 74%
- MayTrès bien
24° / 15°
- Rain
- 224 mm · 12 d
- Sunshine
- 8.7 h/day
- Humidity
- 76%
- JuneCorrect
26° / 19°
- Rain
- 421 mm · 17 d
- Sunshine
- 7.0 h/day
- Humidity
- 83%
- JulyÀ éviter
30° / 23°
- Rain
- 367 mm · 18 d
- Sunshine
- 8.6 h/day
- Humidity
- 84%
- AugustMitigé
31° / 24°
- Rain
- 231 mm · 16 d
- Sunshine
- 9.7 h/day
- Humidity
- 80%
- SeptemberCorrect
28° / 21°
- Rain
- 192 mm · 15 d
- Sunshine
- 8.2 h/day
- Humidity
- 80%
- OctoberIdéal
23° / 15°
- Rain
- 109 mm · 9 d
- Sunshine
- 8.4 h/day
- Humidity
- 75%
- NovemberTrès bien
18° / 9°
- Rain
- 100 mm · 10 d
- Sunshine
- 7.6 h/day
- Humidity
- 77%
- DecemberMitigé
12° / 4°
- Rain
- 81 mm · 9 d
- Sunshine
- 6.9 h/day
- Humidity
- 74%
2014–2023 averages from the ERA5 reanalysis (Copernicus) via Open-Meteo. A day counts as a “rainy day” from 1 mm of rain.
Our take, season by season
Spring (March to May)
Mild weather with highs around 20° and lows near 11°, regular rain (12 rainy days per month on average). It's a great time to go.
Summer (June to August)
Pleasant warmth with highs around 29° and lows near 22°, very frequent rain (17 rainy days per month on average). Not an ideal time for a leisure trip.
Fall (September to November)
Mild weather with highs around 23° and lows near 15°, regular rain (11 rainy days per month on average). It's a great time to go.
Frequently asked questions
- When is the best time to visit Kumamoto?
- The best time to visit Kumamoto is from April to Mayandfrom October to November, with highs between 18° and 24° and few rainy days.
- What is the hottest month in Kumamoto?
- August is the hottest month, with an average high of 31 °C.
- What is the coldest month in Kumamoto?
- January is the coldest month, with an average low of 2 °C.
- When does it rain the most in Kumamoto?
- June is the wettest month (421 mm, about 17 rainy days). The driest is January (78 mm).
- When should you avoid Kumamoto?
- The least favorable months are in July: too hot, too cold, or too rainy to make the most of your trip.
More practical info: Japan
- Country guideEverything about a country on one page: time, weather, currency, plugs, emergency numbers, tipping, visas.
- WeatherTemperature, rain, wind, and UV index for every capital.
- Air qualityPollution, fine particulate matter, and ozone, with a 36-hour forecast.
- Local timeLive clock, time zone, and time difference from where you are.
- Public holidaysEvery public holiday of the year, plus the next one coming up.
- Power OutletsPlug type, voltage, and whether your devices need an adapter.
- Driving SideWhich side of the road to drive on and which license you need before renting a car.
- Emergency NumbersPolice, ambulance, and fire department numbers for every country.
- TippingHow much to tip at restaurants, in taxis, and at hotels.
- Dialing CodesHow to call a country from abroad.
- Salat TimesFajr, Dhuhr, Asr, Maghrib, Isha, and Imsak times in every capital.
- QiblaReal-time compass pointing to the Kaaba from your GPS location.
- Visa requirements from FranceDo you need a visa for Japan?