Kumamoto Weather in July
July in Kumamoto brings very high temperatures around 30°C (86°F) during the day, dropping to 24°C (75°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in Kumamoto in July
Kumamoto is in the rainy season in July, with rain on around 20 days and an average of 313 mm (12 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.
Temperature in Kumamoto in July
July in Kumamoto sees highs of 30°C (86°F) and lows of 24°C (75°F) overnight. For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 24°C (75°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Kumamoto in July
You can expect a moderate amount of sunlight, with approximately 178 hours. Even though this month is part of the wet season, you can still see the sun occasionally.If you're looking for dry conditions and comfortable temperatures, July may not be the ideal month to visit Kumamoto. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Kumamoto's climate page.
Kumamoto Temperature in July
Min Temperature
24°C (75°F)
Max Temperature
30°C (86°F)
Chance of Rain
68%
Precipitation
313 mm (12 in)
Rainy days
20 days
Humidity
76%
Sunshine
178 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kumamoto typically rise from around 29°C (84°F) at the start of July to approximately 33°C (91°F) by the end. Nights are warm, with lows typically ranging from 22°C (72°F) to 25°C (77°F).
Average temperatures in July
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Kumamoto in July
Browse day-by-day weather records for Kumamoto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kumamoto historical weather extremes in July
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Kumamoto.
- On July 17, 1994, temperatures climbed to 39°C (102°F), marking the warmest July day on record.
- The coldest July day was on July 4, 1979, with a maximum of 22°C (72°F).
- The lowest overnight temperature recorded in July was 11°C (52°F) (July 21, 1984).
Best Places in Japan in July
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Kumamoto in July
Warm but pleasant conditions in Kumamoto in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Kumamoto in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Kumamoto's climate page.
Temperature Rainfall Sunshine Humidity
See the full Kumamoto climate overview or explore weather in Japan.
