Suzhou Weather and Climate: A Comprehensive Guide
Suzhou has a four-season humid subtropical climate. This means wet and hot summers and winter months are colder because of the cold winds coming in from Siberia.
Average maximum day and minimum night temperature
Visitors to Suzhou can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 33°C in July. In January, the coolest month of the year, temperatures drop to a chilly 9°C.
At night, you can expect cooler temperatures, with averages dropping to around 2°C during this month. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Suzhou is known for its substantial rain/snowfall, with annual precipitation reaching 1424 mm. Suzhou can be quite wet during June, receiving approximately 287 mm of precipitation over 14 rainy days. In contrast December, experiences much drier conditions, with 51 mm of rainfall, spread across 11 rainy days. For more details, please visit our Suzhou Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Suzhou can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 7.0 hours of sunshine daily. In contrast, the city experiences much darker days in February, with only 3.5 hours of sunlight per day. Visit our detailed sunshine hours page for more information.Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Suzhou.
The city experiences its highest humidity in February, reaching 78%. In July, the humidity drops to its lowest level at 71%. Explore our detailed page on humidity levels for further details.
Relative humidity over the year
broken clouds and no rain partly cloudy and no rain clear and no rainForecast for Suzhou
4 m/s
2 m/s
2 m/s
The best time of year to visit Suzhou in China
During the months of April and October you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
Most rainfall (rainy season) is seen in June, July and August.
July has an average maximum temperature of 33°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 9°C.
June tops the wettest month list with 287 mm of rainfall.
December is the driest month with 51 mm of precipitation.
July is the sunniest month with an average of 210 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
