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Weather & Climate

Hai'an, Jiangsu, China

Overview

Climate data and monthly weather averages for Hai'an.

Key Metrics

Annual Avg
15.4°C
Summer Avg
26.3°C
Winter Avg
3.6°C
Record High
40.2°C
Record Low
-14.9°C
Annual Precipitation
1113.8 mm
Avg Humidity
78%
Summer Humidity
81%
Winter Humidity
78%

Monthly Averages

MonthHigh (°C)Avg (°C)Low (°C)Rain (mm)Humidity (%)Sunshine (h)Wind (kph)
Jan20.8°2.3°-13.5°44.978%7142.1
Feb25.1°4.3°-14.9°5179%7645
Mar27.1°8.6°-7.7°57.476%11847.2
Apr34.2°14.5°-1°7274%13748.1
May37.7°20.3°6.5°8072%14947.5
Jun39.3°24.2°12.6°15976%13152
Jul39°27.4°17.1°224.884%14456.7
Aug40.2°27.2°16.5°169.984%14664.8
Sep34.2°22.9°10.6°100.881%11957.7
Oct32.4°17.4°4.3°57.477%10343.6
Nov27.6°11.2°-6.6°60.377%7544.7
Dec21.4°4.3°-8.6°36.376%6956.3

Frequently Asked Questions

Sources: NASA POWER · Last updated: 2025

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