Chiba Weather in August
What's the weather like in Chiba (Chiba) in August 2025?
The climate in Chiba during August can be summarized as hot, humid and wet.
August is in the summer in Chiba and is typically the warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 24°C (75°F) is normal.
| Daytime temperature | 30.2°C 86.4°F |
|---|---|
| Nightly temperature | 23.6°C 74.5°F |
| Average temperature | 26.9°C 80.4°F |
| Daily sunshine | 6.5 hrs |
| Avg rainfall | 124 mm 4.9 ins |
| Rainy days | 15 days |
| Sea temperature | 26.4°C 79.5°F |
| Humidity | 79% |
| Windspeed | 11.9kph 7 mph |
On average August is the 4th wettest month of the year in Chiba with around 124mm 4.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
August temperatures in Chiba
August rainfall
August 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 Chiba in August 2025.
Other monthly averages
Best places to visit in August
Chiba weather stats
| Hottest month: | August | 30°C 86°F |
|---|---|---|
| Driest month: | December | 51mm 2ins |
| Sunniest month: | January | 6.1hrs |
| Coldest month: | January | 9.7°C 49.5°F |
| Wettest month: | September | 180mm 7.1ins |
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