Kumamoto weather in July
Temperature, sea and sunshine in July: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in July
Fair
Best time to visit: April – May, September – November
What is the weather like in Kumamoto in July?
In July, Kumamoto is hot: daytime highs average 29 °C, and even at night it stays warm at around 23 °C. The sea averages 25.8 °C – pleasant for swimming. Expect around 5 hours of sunshine a day. It rains often – on about 17 days, adding up to 314 mm. On about 13 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, July is a so-so month for a holiday in Kumamoto.
July compared
How the weather changes from June to August. Tap a month to open it.
More details for July
- Daylight
- 14 h 8 min05:19 – 19:27
- UV index
- 11 · extremeclear sky, noon (estimate)All months
- Muggy days
- 31 daysdew point 18 °C or moreAll months
- Wind
- 14 km/haverage daily peakAll months
- Cloud cover
- 71 %on averageAll months
- Hot days
- 13 days30 °C or moreAll months
- Time zone
- UTC+9Asia/Tokyo
How the score comes together
- Temperatureweight 50 %74 %
- Sunshineweight 20 %33 %
- Few rainy daysweight 30 %9 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in July
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Water bottle – drink plenty
- Insect repellent
- Rain jacket or umbrella
Kumamoto in July: quick answers
Is Kumamoto hot in July?
Yes. In July, Kumamoto is hot: daytime highs average 29 °C and nights stay around 23 °C. On about 13 days the thermometer climbs to 30 °C or more.
Can you swim in Kumamoto in July?
Yes. In July the sea averages 25.8 °C – pleasant for swimming.
Does it rain much in Kumamoto in July?
It rains often – on about 17 days, adding up to 314 mm.
Kumamoto month by month
The whole year in KumamotoAll destinations: JapanWhere to go in JulySea temperature in July
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences