Hangzhou Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from very hot to chilly in Hangzhou. Average daytime temperatures reach a very hot 35°C (95°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).

At night, temperatures range from around 26°C (79°F) in July to 2°C (36°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Hangzhou has a relatively rain/snowy climate with high precipitation levels, averaging 1565 mm (62 in) of rain/snowfall annually. Hangzhou can be quite wet during June, receiving approximately 326 mm (13 in) of precipitation over 15 rainy days.

In contrast, during the driest month (December), you will experience much drier conditions, with 62 mm (2.4 in) of precipitation spread across 12 rainy days days. For more details, please visit our Hangzhou Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Hangzhou can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.1 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 3.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Hangzhou.

The city experiences its highest humidity in June, reaching 80%. In December, the humidity drops to its lowest level at 72%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year