Climate averages 1991–2020
Changsha weather
in May.
A warm, very wet month: the 5th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Changsha: daytime highs average 26.6°C and nights cool to about 18.7°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 275 mm of rain on roughly 17 days, which makes May a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 32 min on an average May day.
The nearest other city in this atlas is Xiangtan (39 km away). In May its highs average 26.8°C, about as warm as Changsha, with 280 mm of rain.
Among the 884 cities listed in China, Changsha ranks joint 311th of 884 for the warmest May highs and joint 832nd of 884 for the driest May (rainfall, lowest first). The mean May high of those 884 cities is 25.2°C; Changsha is 1.4°C warmer than that mean.
From May to June, average highs rise by 2.7°C to 29.3°C, and monthly rainfall rises from 275 mm to 299 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Changsha climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.7°C2.7°C | 2.7°C | 74 | 10.8 | 10.611 h |
| February | 12.4°C4.9°C | 4.9°C | 95 | 12.3 | 11.211 h |
| March | 16.5°C8.6°C | 8.6°C | 180 | 17.1 | 12.012 h |
| April | 22.4°C14.1°C | 14.1°C | 236 | 16.7 | 12.813 h |
| May, selected | 26.6°C18.7°C | 18.7°C | 275 | 16.8 | 13.514 h |
| June | 29.3°C22.6°C | 22.6°C | 299 | 17.3 | 13.914 h |
| July | 32.7°C25.8°C | 25.8°C | 181 | 12.8 | 13.714 h |
| August | 32.4°C25.3°C | 25.3°C | 127 | 13.4 | 13.113 h |
| September | 28.8°C21.2°C | 21.2°C | 85 | 9.5 | 12.412 h |
| October | 23.8°C15.8°C | 15.8°C | 64 | 8.0 | 11.512 h |
| November | 17.8°C9.8°C | 9.8°C | 75 | 9.0 | 10.811 h |
| December | 12.1°C4.4°C | 4.4°C | 53 | 7.9 | 10.410 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Xiangtan in MayChina · 39 kmHigh 26.8°C · Low 19.0°C · 280 mm rain
- Zhuzhou in MayChina · 44 kmHigh 26.9°C · Low 19.1°C · 291 mm rain
- Shaoshan in MayChina · 54 kmHigh 26.2°C · Low 18.3°C · 227 mm rain
- Guankou in MayChina · 64 kmHigh 27.0°C · Low 18.9°C · 308 mm rain
- Xiangxiang in MayChina · 67 kmHigh 26.8°C · Low 18.9°C · 259 mm rain
- Heshan in MayChina · 74 kmHigh 26.2°C · Low 18.4°C · 225 mm rain
- Xishan in MayChina · 79 kmHigh 27.1°C · Low 19.0°C · 298 mm rain
- Pingxiang in MayChina · 108 kmHigh 26.8°C · Low 18.7°C · 297 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Changsha) is explained once on the Changsha year overview and on the Sources, method and limits page.