Yamaguchi Weather in June
What's the weather like in Yamaguchi (Yamaguchi) in June 2025?
The climate in Yamaguchi during June can be summarized as warm, humid and very wet.
June is in the summer in Yamaguchi and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 24°C (75°F), whilst at night 16°C (62°F) is normal.
| Daytime temperature | 23.8°C 74.8°F |
|---|---|
| Nightly temperature | 16.4°C 61.5°F |
| Average temperature | 20.1°C 68.2°F |
| Daily sunshine | 5.4 hrs |
| Avg rainfall | 294 mm 11.6 ins |
| Rainy days | 18 days |
| Sea temperature | 21.2°C 70.2°F |
| Humidity | 80% |
| Windspeed | 9.7kph 6 mph |
On average June is the 2nd wettest month of the year in Yamaguchi with around 294mm 11.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.4 hours of sunshine per day.
June temperatures in Yamaguchi
June rainfall
June hourly sunshine
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 Yamaguchi in June 2025.
Other monthly averages
Yamaguchi weather stats
| Hottest month: | August | 28.8°C 83.8°F |
|---|---|---|
| Driest month: | December | 64mm 2.5ins |
| Sunniest month: | October | 5.8hrs |
| Coldest month: | January | 6.4°C 43.5°F |
| Wettest month: | July | 315mm 12.4ins |
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