About Zhoushan, Zhejiang's Climate & Weather History

With a population of around 883,000, Zhoushan sits in Zhejiang, China. The city operates in the China Standard Time zone.

In 2025, Zhoushan recorded an average annual temperature of 66°F. The hottest temperatures reached 91°F in August; the coolest were 27°F in February. Total precipitation for the year was 48 inches, with the wettest month being June.