Climate averages 1991–2020
Chenggu weather
in December.
A cool, fairly dry month: the 11th warmest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
December is a cool month in Chenggu: daytime highs average 8.4°C and nights cool to about 0.5°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 27 mm of rain on roughly 6 days, which makes December a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 00 min on an average December day.
The nearest other city in this atlas is Hanzhong (29 km away). In December its highs average 8.4°C, about as warm as Chenggu, with 31 mm of rain.
Among the 884 cities listed in China, Chenggu ranks joint 468th of 884 for the warmest December highs and joint 510th of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Chenggu is 0.9°C warmer than that mean.
From December to January, average highs fall by 1.2°C to 7.2°C, and monthly rainfall falls from 27 mm to 22 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
Chenggu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 7.2°C-0.7°C | -0.7°C | 22 | 5.9 | 10.210 h |
| February | 9.8°C1.2°C | 1.2°C | 34 | 7.5 | 11.011 h |
| March | 14.4°C4.7°C | 4.7°C | 53 | 9.9 | 12.012 h |
| April | 20.0°C9.6°C | 9.6°C | 69 | 11.0 | 13.013 h |
| May | 23.6°C14.0°C | 14.0°C | 109 | 12.4 | 13.914 h |
| June | 26.9°C18.1°C | 18.1°C | 137 | 11.6 | 14.314 h |
| July | 28.5°C21.2°C | 21.2°C | 224 | 18.1 | 14.114 h |
| August | 27.8°C20.8°C | 20.8°C | 169 | 16.2 | 13.413 h |
| September | 23.0°C16.6°C | 16.6°C | 198 | 15.7 | 12.412 h |
| October | 18.2°C11.4°C | 11.4°C | 121 | 14.2 | 11.411 h |
| November | 13.2°C5.6°C | 5.6°C | 68 | 10.1 | 10.510 h |
| December, selected | 8.4°C0.5°C | 0.5°C | 27 | 6.2 | 10.010 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
- Hanzhong in DecemberChina · 29 kmHigh 8.4°C · Low 0.7°C · 31 mm rain
- Xixiang in DecemberChina · 45 kmHigh 9.6°C · Low 1.4°C · 22 mm rain
- Mianyang, China in DecemberChina · 59 kmHigh 8.3°C · Low 1.6°C · 22 mm rain
- Guozhen in DecemberChina · 135 kmHigh 7.7°C · Low -1.7°C · 16 mm rain
- Baoji in DecemberChina · 136 kmHigh 7.6°C · Low -1.2°C · 16 mm rain
- Donghe in DecemberChina · 140 kmHigh 10.6°C · Low 3.1°C · 30 mm rain
- Bazhong in DecemberChina · 152 kmHigh 11.2°C · Low 3.6°C · 34 mm rain
- Guangyuan in DecemberChina · 161 kmHigh 9.8°C · Low 2.7°C · 19 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 Chenggu) is explained once on the Chenggu year overview and on the Sources, method and limits page.