Climate averages 1991–2020
Jiujiang 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 Jiujiang: daytime highs average 11.0°C and nights cool to about 4.4°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 49 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 17 min on an average December day.
The nearest other city in this atlas is Wuxue (46 km away). In December its highs average 11.2°C, about as warm as Jiujiang, with 45 mm of rain.
Among the 884 cities listed in China, Jiujiang ranks joint 323rd of 884 for the warmest December highs and joint 757th of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Jiujiang is 3.4°C warmer than that mean.
From December to January, average highs fall by 2.3°C to 8.6°C, and monthly rainfall rises from 49 mm to 73 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
Jiujiang climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.6°C2.4°C | 2.4°C | 73 | 9.5 | 10.510 h |
| February | 11.3°C4.2°C | 4.2°C | 101 | 11.1 | 11.111 h |
| March | 15.7°C8.0°C | 8.0°C | 157 | 14.5 | 12.012 h |
| April | 21.8°C13.8°C | 13.8°C | 203 | 14.6 | 12.913 h |
| May | 26.3°C19.0°C | 19.0°C | 237 | 14.2 | 13.614 h |
| June | 28.9°C22.8°C | 22.8°C | 344 | 16.9 | 14.014 h |
| July | 32.2°C26.2°C | 26.2°C | 243 | 15.4 | 13.914 h |
| August | 31.8°C25.7°C | 25.7°C | 167 | 16.1 | 13.213 h |
| September | 28.1°C21.5°C | 21.5°C | 91 | 9.3 | 12.412 h |
| October | 23.0°C16.1°C | 16.1°C | 60 | 7.0 | 11.511 h |
| November | 17.0°C10.2°C | 10.2°C | 66 | 7.9 | 10.711 h |
| December, selected | 11.0°C4.4°C | 4.4°C | 49 | 7.0 | 10.310 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
- Wuxue in DecemberChina · 46 kmHigh 11.2°C · Low 3.9°C · 45 mm rain
- Huangmei in DecemberChina · 54 kmHigh 11.1°C · Low 3.2°C · 42 mm rain
- Pengze in DecemberChina · 57 kmHigh 10.6°C · Low 3.8°C · 44 mm rain
- Poyang in DecemberChina · 102 kmHigh 12.2°C · Low 5.0°C · 55 mm rain
- Qingquan in DecemberChina · 110 kmHigh 11.6°C · Low 2.5°C · 33 mm rain
- Daye in DecemberChina · 110 kmHigh 11.4°C · Low 3.8°C · 41 mm rain
- Huangshi in DecemberChina · 110 kmHigh 11.3°C · Low 3.8°C · 37 mm rain
- Nanchang in DecemberChina · 114 kmHigh 12.2°C · Low 4.7°C · 48 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 Jiujiang) is explained once on the Jiujiang year overview and on the Sources, method and limits page.