ClimateAverages

Zhangjiagang Climate

Jiangsu, China · population 66,039 · 34 weather stations within 200 km · records 1761 to 2025

Average annual daytime high
19.4°C
Warmest month · July
31.4°C
Typical daytime high
Coldest month · January
-1.0°C
Typical overnight low

Zhangjiagang has an average annual daytime high of 19.4°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 -1.0°C.

Month by month averages

MonthAvg highAvg low
January6.3°C-1.0°CColdest
February7.9°C0.5°C
March12.3°C4.2°C
April18.6°C9.7°C
May23.7°C14.9°C
June27.7°C19.9°C
July31.4°C24.4°CWarmest
August31.4°C24.2°C
September26.9°C19.6°C
October21.6°C12.9°C
November15.6°C7.1°C
December9.2°C1.2°C

Temperature range across the year

-3°6°15°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 Zhangjiagang getting hotter?

Since 1900, Zhangjiagang's average temperature has risen by +2.7°C. Compared to the earliest station records that begin in 1761, warming totals +2.6°C.

14.9°15.7°16.5°17.3°18.1°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 Zhangjiagang?

Zhangjiagang's average annual daytime high is 19.4°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 -1.0°C.

What is the warmest month in Zhangjiagang?

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

What is the hottest year on record for Zhangjiagang?

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

Is Zhangjiagang getting hotter?

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

When is the best time to visit Zhangjiagang?

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.