Climate averages 1991–2020
Shanwei weather
in December.
A mild, fairly dry month: the 10th warmest and the 2nd driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
December is a mild month in Shanwei: daytime highs average 20.3°C and nights cool to about 13.2°C. By daytime temperature it is the 10th warmest of the 12 months.
Expect about 35 mm of rain on roughly 5 days, which makes December a fairly dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 46 min on an average December day.
The nearest other city in this atlas is Donghai (35 km away). In December its highs average 20.7°C, about as warm as Shanwei, with 31 mm of rain.
Among the 884 cities listed in China, Shanwei ranks joint 47th of 884 for the warmest December highs and joint 600th of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Shanwei is 12.7°C warmer than that mean.
From December to January, average highs fall by 1.3°C to 18.9°C, and monthly rainfall falls from 35 mm to 30 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
Shanwei climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 18.9°C11.9°C | 11.9°C | 30 | 4.5 | 10.911 h |
| February | 19.7°C13.3°C | 13.3°C | 47 | 7.8 | 11.411 h |
| March | 22.2°C16.1°C | 16.1°C | 71 | 10.4 | 12.012 h |
| April | 24.8°C19.7°C | 19.7°C | 129 | 13.1 | 12.713 h |
| May | 27.2°C22.9°C | 22.9°C | 224 | 18.5 | 13.213 h |
| June | 28.6°C25.2°C | 25.2°C | 360 | 24.1 | 13.514 h |
| July | 29.5°C25.8°C | 25.8°C | 300 | 23.0 | 13.413 h |
| August | 29.6°C25.6°C | 25.6°C | 351 | 23.3 | 12.913 h |
| September | 29.1°C24.5°C | 24.5°C | 225 | 16.0 | 12.312 h |
| October | 27.3°C21.5°C | 21.5°C | 62 | 6.1 | 11.612 h |
| November | 24.4°C17.6°C | 17.6°C | 41 | 4.6 | 11.111 h |
| December, selected | 20.3°C13.2°C | 13.2°C | 35 | 4.6 | 10.811 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
- Donghai in DecemberChina · 35 kmHigh 20.7°C · Low 12.2°C · 31 mm rain
- Jieshi in DecemberChina · 50 kmHigh 19.9°C · Low 14.4°C · 32 mm rain
- Pingshan in DecemberChina · 69 kmHigh 20.6°C · Low 11.2°C · 31 mm rain
- Jiazi in DecemberChina · 75 kmHigh 19.7°C · Low 14.2°C · 33 mm rain
- Hepo in DecemberChina · 87 kmHigh 20.3°C · Low 11.1°C · 40 mm rain
- Danshui, China in DecemberChina · 90 kmHigh 20.2°C · Low 12.4°C · 31 mm rain
- Huicheng (Guangdong), China in DecemberChina · 101 kmHigh 19.4°C · Low 14.0°C · 34 mm rain
- Huizhou in DecemberChina · 102 kmHigh 20.2°C · Low 10.8°C · 33 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 Shanwei) is explained once on the Shanwei year overview and on the Sources, method and limits page.