Climate averages 1991–2020
Jiayuguan weather
in January.
A freezing month with very little precipitation: the coolest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
January is a freezing month in Jiayuguan: daytime highs average -3.4°C and nights cool to about -11.9°C. By daytime temperature it is the coolest month of the year.
Expect about 3.1 mm of precipitation on roughly 1 day, which makes January a month with very little precipitation (the driest month of the year). Daylight, from sunrise to sunset, lasts about 9 h 42 min on an average January day.
The nearest other city in this atlas is Jiuquan (21 km away). In January its highs average -3.1°C, about as warm as Jiayuguan, with 2.5 mm of precipitation.
Among the 884 cities listed in China, Jiayuguan ranks joint 752nd of 884 for the warmest January highs and joint 98th of 884 for the driest January (precipitation, lowest first). The mean January high of those 884 cities is 5.9°C; Jiayuguan is 9.2°C cooler than that mean.
From January to February, average highs rise by 4.8°C to 1.4°C, and monthly precipitation rises from 3.1 mm to 3.2 mm.
The annual picture
January 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
Jiayuguan climate table
| Month | Average highHigh / low | Average low | Precipitation mm/month | Wet days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January, selected | -3.4°C-11.9°C | -11.9°C | 3.1 | 1.1 | 9.710 h |
| February | 1.4°C-8.3°C | -8.3°C | 3.2 | 1.1 | 10.711 h |
| March | 8.6°C-3.3°C | -3.3°C | 9.8 | 2.3 | 11.912 h |
| April | 16.5°C3.1°C | 3.1°C | 8.5 | 2.3 | 13.213 h |
| May | 21.8°C8.8°C | 8.8°C | 15 | 3.9 | 14.314 h |
| June | 26.3°C14.3°C | 14.3°C | 20 | 4.2 | 14.915 h |
| July | 28.1°C16.9°C | 16.9°C | 25 | 5.2 | 14.715 h |
| August | 26.5°C15.5°C | 15.5°C | 27 | 5.4 | 13.714 h |
| September | 21.1°C10.3°C | 10.3°C | 18 | 3.5 | 12.512 h |
| October | 13.8°C3.0°C | 3.0°C | 6.5 | 1.8 | 11.211 h |
| November | 5.3°C-4.2°C | -4.2°C | 5.3 | 1.6 | 10.010 h |
| December | -1.8°C-10.2°C | -10.2°C | 3.7 | 1.4 | 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
January in nearby cities
- Jiuquan in JanuaryChina · 21 kmHigh -3.1°C · Low -11.5°C · 2.5 mm precipitation
- Laojunmiao in JanuaryChina · 47 kmHigh -4.0°C · Low -13.6°C · 4.1 mm precipitation
- Zhangye in JanuaryChina · 210 kmHigh -0.3°C · Low -13.0°C · 1.6 mm precipitation
- Dunhuang in JanuaryChina · 309 kmHigh -1.3°C · Low -10.5°C · 0.5 mm precipitation
- Jinchang in JanuaryChina · 367 kmHigh -0.9°C · Low -11.8°C · 1.1 mm precipitation
- Wuwei in JanuaryChina · 431 kmHigh -0.4°C · Low -11.0°C · 1.7 mm precipitation
- Qiaotou in JanuaryChina · 435 kmHigh -1.7°C · Low -17.2°C · 5.0 mm precipitation
- Xining in JanuaryChina · 466 kmHigh 0.1°C · Low -12.3°C · 3.2 mm precipitation
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 Jiayuguan) is explained once on the Jiayuguan year overview and on the Sources, method and limits page.