SeasonMapKumamoto weather in January
Japan
January in Kumamoto: cold, a little rain, with clean air — a good time to visit.
#8 of 12 months in Kumamoto · #795 of 1383 destinations to visit in January · comfort 66/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Kumamoto in January
No notes yet. Open Kumamoto on the map to add the first one.
Kumamoto climate normals — January
| Daytime high | 12°C / 53°F | 🧥 cold |
|---|---|---|
| Nighttime low | 2°C / 35°F | |
| Feels like (high) | 9°C / 48°F | |
| Sea temperature | 11°C / 52°F | 🥶 cold sea |
| Rainfall | 75 mm / 3 in | 🌦 some rain |
| Rainy days | 9 days | |
| Humidity | 74% | 💧 humid |
| Dew point | 1°C / 34°F | |
| Sunshine | 6.8 h/day | |
| Daylight | 10.3 h | |
| Wind | 13 km/h / 8 mph | |
| Snowfall | 2.9 cm / 1.1 in | |
| Air quality (US AQI) | 47 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Kumamoto in January
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyWinter break (fuyuyasumi) in Japan, school holidays in 5 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Kumamoto's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherKumamoto's best weather comes in April, October and November — separate windows, not one continuous season.
Best weatherFair weatherToughest weather
What's on in Kumamoto in January
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Hazard
Mount Aso crater alerts
1 Jan – 31 DecVolcanic activityClosuresNakadake is the day trip everyone books and the one that gets cancelled: the crater rim closes without notice on gas readings or a raised alert, and has been shut for long stretches. Check before you drive out. Source ↗
Nearby, and something's on
Within 300 km of Kumamoto — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Kumamoto?
Kumamoto in January — FAQ
- Is January a good time to visit Kumamoto?
- January in Kumamoto: cold, a little rain, with clean air — a good time to visit. It ranks #8 of 12 months for Kumamoto on SeasonMap's comfort score (66/100).
- What is the weather like in Kumamoto in January?
- In January, Kumamoto averages a daily high of 11.6°C and a low of 1.5°C, with about 75.1 mm of rain over roughly 9.2 rainy days.
- What is the air quality in Kumamoto in January?
- Kumamoto has a mean US Air Quality Index of about 47 in January.
- Does it snow in Kumamoto in January?
- Kumamoto sees roughly 2.9 cm of snowfall in January.
Other months in Kumamoto
Compare Kumamoto in January
Warmer or cooler than Kumamoto in January
Similar destinations in East Asia — January
Within 300 km: Hiroshima's Oyster season around 15 Oct – 15 Mar, and Yakushima's Snow on the peaks around 15 Dec – 31 Mar.