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Changsha Weather by Month
Average temperatures, rainfall and humidity for Changsha, China, month by month, built from OpenWeather's historical records. Use it to see what a typical Changsha month looks like before you travel — then check the live Changsha forecast for the days ahead.
Warmest month
August
34°C average high
Coolest month
January
4°C average low
Wettest month
June
108 mm of rain
Driest month
December
24 mm of rain
Average temperature and rainfall in Changsha by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 11°C | 4°C | -7°C / 24°C | 34 mm | 71% | 10 km/h |
| February | 12°C | 5°C | -5°C / 28°C | 50 mm | 78% | 10 km/h |
| March | 18°C | 10°C | 1°C / 37°C | 89 mm | 78% | 10 km/h |
| April | 23°C | 15°C | 5°C / 40°C | 72 mm | 76% | 10 km/h |
| May | 27°C | 19°C | 12°C / 38°C | 99 mm | 77% | 10 km/h |
| June | 30°C | 23°C | 14°C / 37°C | 108 mm | 80% | 10 km/h |
| July | 34°C | 26°C | 19°C / 42°C | 61 mm | 72% | 11 km/h |
| August | 34°C | 26°C | 19°C / 42°C | 60 mm | 71% | 10 km/h |
| September | 31°C | 22°C | 10°C / 41°C | 39 mm | 72% | 11 km/h |
| October | 24°C | 16°C | 8°C / 40°C | 34 mm | 71% | 11 km/h |
| November | 18°C | 11°C | -1°C / 33°C | 49 mm | 71% | 10 km/h |
| December | 12°C | 5°C | -9°C / 25°C | 24 mm | 66% | 11 km/h |
Best time to visit Changsha
The most comfortable time to visit Changsha 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 June, totalling about 718 mm a year.
Travellers who prefer heat should aim for August, when highs average 34°C. June is the month to avoid if rain would spoil your plans — it averages 108 mm, roughly 5× the rainfall of December.
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Changsha forecast for what is happening now.