The climate in Kumamoto during June can be summarized as hot, humid and very wet.
June is in the summer in Kumamoto and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 19°C (66°F) is normal.
Daytime temperature | 27.7°C 81.9°F |
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Nightly temperature | 19.1°C 66.4°F |
Average temperature | 23.4°C 74.1°F |
Daily sunshine | 4.9 hrs |
Avg rainfall | 396 mm 15.6 ins |
Rainy days | 19 days |
Sea temperature | 23.3°C 74°F |
Humidity | 78% |
Windspeed | 6.8kph 4 mph |
On average June is the wettest month of the year in Kumamoto with around 396mm 15.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.9 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Kumamoto in June 2024.
Hottest month: | August | 32.4°C 90.3°F |
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Driest month: | December | 51mm 2ins |
Sunniest month: | August | 7.1hrs |
Coldest month: | January | 9.9°C 49.8°F |
Wettest month: | June | 396mm 15.6ins |