Climate averages 1991–2020
Sanhe weather
in December.
A cold, very 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 cold month in Sanhe: daytime highs average 2.7°C and nights cool to about -6.3°C. By daytime temperature it is the 11th warmest of the 12 months.
Expect about 3.5 mm of rain on roughly 1 day, which makes December a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 9 h 24 min on an average December day.
The nearest other city in this atlas is Tongzhou (36 km away). In December its highs average 3.0°C, about as warm as Sanhe, with 3.2 mm of rain.
Among the 884 cities listed in China, Sanhe ranks joint 674th of 884 for the warmest December highs and joint 68th of 884 for the driest December (rainfall, lowest first). The mean December high of those 884 cities is 7.5°C; Sanhe is 4.8°C cooler than that mean.
From December to January, average highs fall by 1.2°C to 1.5°C, and monthly precipitation falls from 3.5 mm to 2.7 mm.
The annual picture
December in context
Monthly precipitation
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
Sanhe climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 1.5°C-8.2°C | -8.2°C | 2.7 | 0.8 | 9.710 h |
| February | 5.6°C-5.4°C | -5.4°C | 4.6 | 1.2 | 10.711 h |
| March | 12.8°C-0.7°C | -0.7°C | 9.3 | 2.4 | 11.912 h |
| April | 21.0°C6.8°C | 6.8°C | 21 | 3.8 | 13.213 h |
| May | 27.7°C13.9°C | 13.9°C | 40 | 5.5 | 14.414 h |
| June | 31.2°C19.3°C | 19.3°C | 88 | 8.8 | 15.015 h |
| July | 31.3°C22.2°C | 22.2°C | 179 | 13.5 | 14.715 h |
| August | 29.7°C21.0°C | 21.0°C | 132 | 10.6 | 13.714 h |
| September | 25.9°C15.3°C | 15.3°C | 62 | 6.9 | 12.512 h |
| October | 19.0°C7.7°C | 7.7°C | 36 | 4.6 | 11.211 h |
| November | 9.6°C-1.0°C | -1.0°C | 14 | 1.9 | 10.010 h |
| December, selected | 2.7°C-6.3°C | -6.3°C | 3.5 | 1.0 | 9.49 h |
Precipitation (rain or snow, as water) is the average of the 30 separate monthly totals. A wet 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
- Tongzhou in DecemberChina · 36 kmHigh 3.0°C · Low -6.1°C · 3.2 mm rain
- Shunyi in DecemberChina · 39 kmHigh 2.7°C · Low -6.6°C · 3.2 mm rain
- Beijing in DecemberChina · 58 kmHigh 3.1°C · Low -6.2°C · 3.4 mm rain
- Langfang in DecemberChina · 59 kmHigh 3.3°C · Low -5.3°C · 3.3 mm rain
- Daxing in DecemberChina · 69 kmHigh 3.3°C · Low -6.0°C · 3.2 mm rain
- Changping in DecemberChina · 76 kmHigh 2.6°C · Low -6.6°C · 4.5 mm rain
- Mentougou in DecemberChina · 83 kmHigh 3.2°C · Low -6.0°C · 3.7 mm rain
- Liangxiang in DecemberChina · 84 kmHigh 3.3°C · Low -6.0°C · 3.2 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 Sanhe) is explained once on the Sanhe year overview and on the Sources, method and limits page.