Climate averages 1991–2020
Changsha weather
in December.
A cool, moderately wet month: the 11th warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Changsha: daytime highs average 12.1°C and nights cool to about 4.4°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 53 mm of rain on roughly 8 days, which makes December a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 23 min on an average December day.
The nearest other city in this atlas is Xiangtan (39 km away). In December its highs average 12.4°C, about as warm as Changsha, with 54 mm of rain.
Among the 884 cities listed in China, Changsha ranks joint 221st of 884 for the warmest December highs and joint 782nd of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Changsha is 4.5°C warmer than that mean.
From December to January, average highs fall by 2.4°C to 9.7°C, and monthly rainfall rises from 53 mm to 74 mm.
The annual picture
December 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 | 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, selected | 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
December in nearby cities
- Xiangtan in DecemberChina · 39 kmHigh 12.4°C · Low 4.8°C · 54 mm rain
- Zhuzhou in DecemberChina · 44 kmHigh 12.6°C · Low 4.9°C · 58 mm rain
- Shaoshan in DecemberChina · 54 kmHigh 11.8°C · Low 4.3°C · 47 mm rain
- Guankou in DecemberChina · 64 kmHigh 12.8°C · Low 4.6°C · 57 mm rain
- Xiangxiang in DecemberChina · 67 kmHigh 12.2°C · Low 4.8°C · 52 mm rain
- Heshan in DecemberChina · 74 kmHigh 11.4°C · Low 4.2°C · 51 mm rain
- Xishan in DecemberChina · 79 kmHigh 12.9°C · Low 5.0°C · 60 mm rain
- Pingxiang in DecemberChina · 108 kmHigh 12.5°C · Low 4.6°C · 55 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.