SeasonMapKumamoto weather in July
Japan
July in Kumamoto: warm, soaked, with clean air — not the time — 19 rainy days.
#12 of 12 months in Kumamoto · #1240 of 1383 destinations to visit in July · comfort 48/100 (tier F)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Kumamoto in July
No notes yet. Open Kumamoto on the map to add the first one.
Kumamoto climate normals — July
| Daytime high | 29°C / 84°F | 🌤 warm |
|---|---|---|
| Nighttime low | 24°C / 75°F | |
| Sea temperature | 28°C / 82°F | 😎 warm sea |
| Rainfall | 365 mm / 14.4 in | ⛈ soaked |
| Rainy days | 19 days | |
| Humidity | 85% | 💦 very humid |
| Dew point | 24°C / 75°F | |
| Sunshine | 7.5 h/day | |
| Daylight | 14.1 h | |
| Wind | 14 km/h / 8 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Kumamoto in July
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.
BusySummer break (natsuyasumi) in Japan, school holidays in 4 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).
Toughest weatherKumamoto's best weather comes in April, October and November — separate windows, not one continuous season.
July coincides with Mount Aso crater alerts.
Best weatherFair weatherToughest weather
What's on in Kumamoto in July
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 July — FAQ
- Is July a good time to visit Kumamoto?
- July in Kumamoto: warm, soaked, with clean air — not the time — 19 rainy days. It ranks #12 of 12 months for Kumamoto on SeasonMap's comfort score (48/100).
- What is the weather like in Kumamoto in July?
- In July, Kumamoto averages a daily high of 28.9°C and a low of 23.7°C, with about 365 mm of rain over roughly 19.4 rainy days.
- What is the air quality in Kumamoto in July?
- Kumamoto has a mean US Air Quality Index of about 37 in July.
Other months in Kumamoto
Compare Kumamoto in July
Warmer or cooler than Kumamoto in July
Similar destinations in East Asia — July
Within 300 km: Fukuoka's Hakata Gion Yamakasa on 1–15 Jul, and Hiroshima's Miyajima Kangen-sai on 30 Jul.