Climate averages 1991–2020
Changsha weather
in July.
A hot, very wet month: the warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
July is a hot month in Changsha: daytime highs average 32.7°C and nights cool to about 25.8°C. By daytime temperature it is the warmest month of the year.
Expect about 181 mm of rain on roughly 13 days, which makes July a very wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 45 min on an average July day.
The nearest other city in this atlas is Xiangtan (39 km away). In July its highs average 33.1°C, about as warm as Changsha, with 174 mm of rain.
Among the 884 cities listed in China, Changsha ranks joint 59th of 884 for the warmest July highs and joint 439th of 884 for the driest July (rainfall, lowest first). The mean July high of those 884 cities is 30.0°C; Changsha is 2.7°C warmer than that mean.
From July to August, average highs fall by 0.3°C to 32.4°C, and monthly rainfall falls from 181 mm to 127 mm.
The annual picture
July 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 | 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, selected | 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
July in nearby cities
- Xiangtan in JulyChina · 39 kmHigh 33.1°C · Low 26.1°C · 174 mm rain
- Zhuzhou in JulyChina · 44 kmHigh 33.1°C · Low 26.3°C · 172 mm rain
- Shaoshan in JulyChina · 54 kmHigh 32.4°C · Low 25.5°C · 180 mm rain
- Guankou in JulyChina · 64 kmHigh 32.8°C · Low 25.7°C · 179 mm rain
- Xiangxiang in JulyChina · 67 kmHigh 33.1°C · Low 26.1°C · 185 mm rain
- Heshan in JulyChina · 74 kmHigh 32.0°C · Low 25.6°C · 216 mm rain
- Xishan in JulyChina · 79 kmHigh 33.1°C · Low 26.0°C · 170 mm rain
- Pingxiang in JulyChina · 108 kmHigh 32.7°C · Low 25.1°C · 185 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.