Hangzhou Weather & Climate: Best Time to Visit
Hangzhou experiences a warm maritime climate. This climate is characterized by small temperature differences between summer and winter. The city suffers from monsoon rains in the summer months (June - August). Toward the end of summer and autumn, tropical storms may occur.
Monthly Temperature in Hangzhou
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
Rainfall in Hangzhou
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
Sunshine Hours in Hangzhou
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
Humidity in Hangzhou by Month
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
Hangzhou 3-Day Forecast
Check the conditions for any month of the year.
Best Time to Visit Hangzhou
During the months of April, September, October and November, Hangzhou enjoys pleasant weather with average temperatures ranging from 19°C (66°F) to 30°C (86°F). These months are perfect for sightseeing and exploring.Rainfall during this time ranges from 63 mm (2.5 in) in October to 140 mm (5.5 in) in April. This means you can expect a mix of sunny days and occasional showers.
The rainy season falls during May, June and July, bringing heavy precipitation. Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.