Climate averages 1991–2020
Jiangyou weather
in December.
A cool, very dry 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 Jiangyou: daytime highs average 10.2°C and nights cool to about 3.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 9.9 mm of rain on roughly 3 days, which makes December a very dry month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 07 min on an average December day.
The nearest other city in this atlas is Mianyang (33 km away). In December its highs average 10.8°C, 0.7°C warmer than Jiangyou, with 7.6 mm of rain.
Among the 884 cities listed in China, Jiangyou ranks joint 386th of 884 for the warmest December highs and joint 246th of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Jiangyou is 2.6°C warmer than that mean.
From December to January, average highs fall by 1.3°C to 8.9°C, and monthly rainfall rises from 9.9 mm to 11 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
Jiangyou climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.9°C2.0°C | 2.0°C | 11 | 3.6 | 10.310 h |
| February | 11.4°C4.2°C | 4.2°C | 15 | 4.4 | 11.011 h |
| March | 15.9°C7.8°C | 7.8°C | 27 | 6.7 | 12.012 h |
| April | 21.5°C12.5°C | 12.5°C | 45 | 8.0 | 12.913 h |
| May | 25.4°C16.8°C | 16.8°C | 74 | 10.4 | 13.814 h |
| June | 27.8°C20.2°C | 20.2°C | 129 | 12.6 | 14.214 h |
| July | 29.0°C22.2°C | 22.2°C | 255 | 20.3 | 14.014 h |
| August | 28.6°C21.7°C | 21.7°C | 215 | 18.7 | 13.313 h |
| September | 24.3°C18.6°C | 18.6°C | 164 | 16.2 | 12.412 h |
| October | 19.6°C14.2°C | 14.2°C | 65 | 11.5 | 11.411 h |
| November | 15.0°C8.9°C | 8.9°C | 27 | 6.3 | 10.611 h |
| December, selected | 10.2°C3.5°C | 3.5°C | 9.9 | 3.4 | 10.110 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
- Mianyang in DecemberChina · 33 kmHigh 10.8°C · Low 4.0°C · 7.6 mm rain
- Luojiang in DecemberChina · 55 kmHigh 10.3°C · Low 4.1°C · 9.7 mm rain
- Mianzhu, Deyang, Sichuan in DecemberChina · 67 kmHigh 8.8°C · Low 4.0°C · 28 mm rain
- Pingwu County in DecemberChina · 73 kmHigh 8.0°C · Low 2.2°C · 16 mm rain
- Deyang in DecemberChina · 78 kmHigh 10.5°C · Low 4.4°C · 9.7 mm rain
- Guangyuan in DecemberChina · 128 kmHigh 9.8°C · Low 2.7°C · 19 mm rain
- Chengdu in DecemberChina · 137 kmHigh 11.1°C · Low 4.6°C · 4.1 mm rain
- Donghe in DecemberChina · 158 kmHigh 10.6°C · Low 3.1°C · 30 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 Jiangyou) is explained once on the Jiangyou year overview and on the Sources, method and limits page.