Climate averages 1991–2020
Nanchang 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 Nanchang: daytime highs average 12.2°C and nights cool to about 4.7°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 48 mm of rain on roughly 7 days, which makes December a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 21 min on an average December day.
The nearest other city in this atlas is Poyang (86 km away). In December its highs average 12.2°C, about as warm as Nanchang, with 55 mm of rain.
Among the 884 cities listed in China, Nanchang ranks joint 209th of 884 for the warmest December highs and joint 749th of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Nanchang is 4.6°C warmer than that mean.
From December to January, average highs fall by 2.2°C to 9.9°C, and monthly rainfall rises from 48 mm to 66 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
Nanchang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.9°C2.9°C | 2.9°C | 66 | 9.8 | 10.511 h |
| February | 12.6°C4.9°C | 4.9°C | 91 | 11.1 | 11.211 h |
| March | 16.7°C8.7°C | 8.7°C | 170 | 16.1 | 12.012 h |
| April | 22.8°C14.4°C | 14.4°C | 195 | 16.1 | 12.813 h |
| May | 27.1°C19.4°C | 19.4°C | 228 | 15.7 | 13.614 h |
| June | 29.4°C23.1°C | 23.1°C | 338 | 17.9 | 13.914 h |
| July | 32.9°C26.3°C | 26.3°C | 188 | 13.1 | 13.814 h |
| August | 32.5°C25.9°C | 25.9°C | 136 | 13.4 | 13.213 h |
| September | 29.1°C22.0°C | 22.0°C | 73 | 8.4 | 12.412 h |
| October | 24.3°C16.5°C | 16.5°C | 53 | 6.1 | 11.512 h |
| November | 18.3°C10.5°C | 10.5°C | 77 | 7.6 | 10.711 h |
| December, selected | 12.2°C4.7°C | 4.7°C | 48 | 7.0 | 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
- Poyang in DecemberChina · 86 kmHigh 12.2°C · Low 5.0°C · 55 mm rain
- Jinfeng in DecemberChina · 88 kmHigh 13.2°C · Low 5.2°C · 66 mm rain
- Fuzhou, China in DecemberChina · 93 kmHigh 12.9°C · Low 4.9°C · 62 mm rain
- Bashan in DecemberChina · 104 kmHigh 12.8°C · Low 4.9°C · 58 mm rain
- Jiujiang in DecemberChina · 114 kmHigh 11.0°C · Low 4.4°C · 49 mm rain
- Yingtan in DecemberChina · 123 kmHigh 13.4°C · Low 4.9°C · 65 mm rain
- Xiugu in DecemberChina · 125 kmHigh 13.2°C · Low 5.0°C · 67 mm rain
- Wuxue in DecemberChina · 133 kmHigh 11.2°C · Low 3.9°C · 45 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 Nanchang) is explained once on the Nanchang year overview and on the Sources, method and limits page.