Climate averages 1991–2020
Sanmenxia weather
in January.
A cold, very dry month: the coolest and the 2nd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a cold month in Sanmenxia: daytime highs average 5.0°C and nights cool to about -3.9°C. By daytime temperature it is the coolest month of the year.
Expect about 9.7 mm of rain on roughly 3 days, which makes January a very dry month (the 2nd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 10 h 06 min on an average January day.
The nearest other city in this atlas is Yuncheng (33 km away). In January its highs average 5.8°C, 0.8°C warmer than Sanmenxia, with 6.4 mm of rain.
Among the 884 cities listed in China, Sanmenxia ranks joint 539th of 884 for the warmest January highs and joint 317th of 884 for the driest January (rainfall, lowest first). The mean January high of those 884 cities is 5.9°C; Sanmenxia is 0.9°C cooler than that mean.
From January to February, average highs rise by 3.9°C to 8.9°C, and monthly rainfall rises from 9.7 mm to 16 mm.
The annual picture
January 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
Sanmenxia climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | 5.0°C-3.9°C | -3.9°C | 9.7 | 2.8 | 10.110 h |
| February | 8.9°C-1.1°C | -1.1°C | 16 | 3.6 | 10.911 h |
| March | 15.2°C3.8°C | 3.8°C | 25 | 5.4 | 11.912 h |
| April | 22.0°C9.8°C | 9.8°C | 41 | 6.0 | 13.013 h |
| May | 26.8°C15.1°C | 15.1°C | 55 | 7.0 | 14.014 h |
| June | 30.9°C19.7°C | 19.7°C | 75 | 7.6 | 14.414 h |
| July | 31.2°C22.3°C | 22.3°C | 126 | 12.5 | 14.214 h |
| August | 29.5°C21.2°C | 21.2°C | 112 | 11.5 | 13.513 h |
| September | 25.0°C16.4°C | 16.4°C | 103 | 9.7 | 12.412 h |
| October | 19.6°C10.6°C | 10.6°C | 57 | 7.0 | 11.311 h |
| November | 12.6°C3.6°C | 3.6°C | 31 | 5.4 | 10.410 h |
| December | 6.2°C-2.3°C | -2.3°C | 9.2 | 2.5 | 9.910 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
January in nearby cities
- Yuncheng in JanuaryChina · 33 kmHigh 5.8°C · Low -3.5°C · 6.4 mm rain
- Yima in JanuaryChina · 63 kmHigh 5.1°C · Low -4.8°C · 11 mm rain
- Changzhi (Shanxi, 35.21°N 111.74°E), China in JanuaryChina · 69 kmHigh 5.1°C · Low -4.3°C · 9.7 mm rain
- Yongji in JanuaryChina · 69 kmHigh 6.3°C · Low -3.5°C · 7.2 mm rain
- Hancheng in JanuaryChina · 103 kmHigh 5.4°C · Low -4.7°C · 9.1 mm rain
- Huayin in JanuaryChina · 106 kmHigh 6.7°C · Low -2.6°C · 10 mm rain
- Luoyang in JanuaryChina · 114 kmHigh 7.1°C · Low -3.7°C · 11 mm rain
- Jiyuan in JanuaryChina · 132 kmHigh 6.6°C · Low -4.4°C · 12 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 Sanmenxia) is explained once on the Sanmenxia year overview and on the Sources, method and limits page.