ClimateAverages

Suzhou Climate

Jiangsu, China · population 5,345,961 · 43 weather stations within 200 km · records 1845 to 2025

Right now
27°C
Sunny · feels like 30°C
Humidity
82%
Wind
13 kph SSE
UV
0
Rain
0%
Updated Jul 9, 07:45 PMWeather data by WeatherAPI.com
Average annual daytime high
19.2°C
Warmest month · July
31.4°C
Typical daytime high
Coldest month · January
-0.2°C
Typical overnight low

Suzhou has an average annual daytime high of 19.2°C, based on the 1951 to 1980 baseline. Its warmest month is July, when highs typically reach 31.4°C, and its coldest is January, with overnight lows near -0.2°C.

Month by month averages

MonthAvg highAvg low
January6.1°C-0.2°CColdest
February7.8°C1.2°C
March12.3°C5.0°C
April18.6°C10.5°C
May23.4°C15.7°C
June27.4°C20.5°C
July31.4°C24.9°CWarmest
August31.2°C24.6°C
September26.7°C20.2°C
October21.4°C13.7°C
November15.5°C8.1°C
December9.0°C2.0°C

Temperature range across the year

-2°7°16°24°33°JanFebMarAprMayJunJulAugSepOctNovDec
Daytime high Overnight low
Hottest year on record
2024
+2.5°C vs. 1951–1980
Coldest year on record
1884
-1.6°C vs. 1951–1980

These figures reflect annual averages, not single-day records. Daily observations are outside this dataset's precision.

Is Suzhou getting hotter?

Since 1900, Suzhou's average temperature has risen by +2.7°C. Compared to the earliest station records that begin in 1845, warming totals +2.6°C.

15.3°16.1°16.9°17.7°18.5°1951–1980 baseline190019251950197520002025

20-year smoothed annual temperature reconstructed from station anomalies. Dashed line: 1951–1980 baseline.

Best time to visit
April to November

Daytime highs sit within a comfortable 15°C to 26°C range.

FAQ

What is the average temperature in Suzhou?

Suzhou's average annual daytime high is 19.2°C, based on the 1951 to 1980 baseline period. The warmest month is July, with highs averaging 31.4°C, and the coldest is January, with lows averaging -0.2°C.

What is the warmest month in Suzhou?

July is the warmest month in Suzhou, with typical daytime highs of 31.4°C.

What is the hottest year on record for Suzhou?

2024 is the hottest year on record for Suzhou, running +2.5°C above the 1951 to 1980 baseline.

Is Suzhou getting hotter?

Yes. Since 1900, Suzhou has warmed by roughly +2.7°C.

When is the best time to visit Suzhou?

April to November typically offers the most comfortable daytime highs, in the 15°C to 26°C range.

Nearby cities

Baseline period 1951 to 1980. Monthly averages are the mean of station observations weighted by proximity. Warming trend is the 20-year smoothed anomaly against that baseline.