Weatheo

Suzhou Weather by Month

Average temperatures, rainfall and humidity for Suzhou, China, month by month, built from OpenWeather’s historical records. Use it to see what a typical Suzhou month looks like before you travel — then check the live Suzhou forecast for the days ahead.

Warmest month

August

34°C average high

Coolest month

January

3°C average low

Wettest month

July

117 mm of rain

Driest month

December

23 mm of rain

Average temperature and rainfall in Suzhou by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January10°C3°C-7°C / 22°C
33 mm
69%13 km/h
February11°C4°C-5°C / 25°C
67 mm
72%14 km/h
March16°C8°C0°C / 33°C
66 mm
71%13 km/h
April22°C13°C1°C / 32°C
77 mm
68%14 km/h
May27°C18°C8°C / 37°C
64 mm
69%14 km/h
June29°C23°C15°C / 38°C
116 mm
77%13 km/h
July33°C27°C20°C / 41°C
117 mm
76%14 km/h
August34°C27°C19°C / 39°C
70 mm
74%13 km/h
September30°C23°C16°C / 36°C
115 mm
75%13 km/h
October24°C17°C9°C / 35°C
40 mm
74%13 km/h
November18°C11°C-2°C / 30°C
35 mm
70%14 km/h
December11°C5°C-6°C / 24°C
23 mm
67%14 km/h

Best time to visit Suzhou

The most comfortable time to visit Suzhou is generally April to May and October, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around July, totalling about 823 mm a year.

Travellers who prefer heat should aim for August, when highs average 34°C. July is the month to avoid if rain would spoil your plans — it averages 117 mm, roughly 5× the rainfall of the driest month (December).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Suzhou forecast for what is happening now.