Climate averages 1991–2020
Jiayuguan weather
in May.
A mild, fairly dry month: the 4th warmest and the 8th driest of the year. Meets the pleasant-weather rule
Long-term climate patterns, not a forecast for a particular trip.
May is a mild month in Jiayuguan: daytime highs average 21.8°C and nights cool to about 8.8°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 15 mm of rain on roughly 4 days, which makes May a fairly dry month (the 8th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 21 min on an average May day.
The nearest other city in this atlas is Jiuquan (21 km away). In May its highs average 21.7°C, about as warm as Jiayuguan, with 11 mm of rain.
Among the 884 cities listed in China, Jiayuguan ranks joint 745th of 884 for the warmest May highs and joint 15th of 884 for the driest May (rainfall, lowest first). The mean May high of those 884 cities is 25.2°C; Jiayuguan is 3.4°C cooler than that mean.
From May to June, average highs rise by 4.5°C to 26.3°C, and monthly rainfall rises from 15 mm to 20 mm.
The annual picture
May 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 | -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, selected | 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
May in nearby cities
- Jiuquan in MayChina · 21 kmHigh 21.7°C · Low 8.5°C · 11 mm rain
- Laojunmiao in MayChina · 47 kmHigh 18.3°C · Low 6.2°C · 28 mm rain
- Zhangye in MayChina · 210 kmHigh 22.9°C · Low 6.7°C · 13 mm rain
- Dunhuang in MayChina · 309 kmHigh 27.6°C · Low 12.6°C · 4.7 mm rain
- Jinchang in MayChina · 367 kmHigh 23.3°C · Low 9.5°C · 15 mm rain
- Wuwei in MayChina · 431 kmHigh 22.5°C · Low 7.6°C · 17 mm rain
- Qiaotou in MayChina · 435 kmHigh 16.4°C · Low 2.3°C · 73 mm rain
- Xining in MayChina · 466 kmHigh 18.4°C · Low 6.2°C · 54 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 Jiayuguan) is explained once on the Jiayuguan year overview and on the Sources, method and limits page.