Jiashan Weather in August

What's the weather like in Jiashan (Zhejiang Sheng) in August 2025?

The climate in Jiashan during August can be summarized as very hot, humid and wet.

August is in the summer in Jiashan and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 25°C (76°F) is normal.

Jiashan weather averages (imperial / metric)
Daytime temperature 31.9°C 89.4°F
Nightly temperature 24.5°C 76.1°F
Average temperature 28.2°C 82.8°F
Daily sunshine 8.3 hrs
Avg rainfall 133 mm 5.2 ins
Rainy days 12 days
Sea temperature 27.6°C 81.8°F
Humidity 80%
Windspeed 10.1kph 6 mph

On average August is the 4th wettest month of the year in Jiashan with around 133mm 5.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.3 hours of sunshine per day.

August temperatures in Jiashan

Jiashan average temperature in August

August rainfall

Jiashan average rain in August

August hourly sunshine

Jiashan average rain in August

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 Jiashan in August 2025.

Other monthly averages

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UV index Best time to go?

Jiashan weather stats

Jiashan weather statistics
Hottest month: July 32°C 89.6°F
Driest month: December 39mm 1.5ins
Sunniest month: August 8.3hrs
Coldest month: January 7.5°C 45.5°F
Wettest month: June 166mm 6.5ins
Map showing location of Jiashan (30.84918, 120.92583) Jiashan map pin © Google

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