Average annual temperature is 15.0 °C
Absolute maximum temperature: 43.4 °C
Absolute minimum temperature: -13.8 °C
Number of sunny days: 274 days
Number of rainy days: 82 days
Number of snow days: 9 days
Look at detailed online map of Xiyan
* Weather data for Xiyan China is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 12.6 | 15.8 | 30.4 | 28.5 | 34.8 | 39.4 | 43.4 | 35.0 | 31.8 | 28.9 | 26.7 | 22.7 |
| Average daytime temperature (°C) | 5.9 | 9.8 | 19.8 | 20.6 | 25.8 | 33.4 | 35.6 | 30.6 | 27.4 | 23.5 | 12.5 | 4.3 |
| Average temperature (°C) | -0.3 | 3.7 | 12.6 | 15.0 | 20.8 | 27.1 | 30.1 | 26.3 | 22.6 | 16.8 | 6.5 | -1.4 |
| Average night temperature (°C) | -5.4 | -1.9 | 5.6 | 9.4 | 15.9 | 20.8 | 25.2 | 22.7 | 18.5 | 11.1 | 1.0 | -6.2 |
| Absolute minimum temperature (°C) | -9.7 | -5.4 | -0.6 | 3.3 | 9.5 | 15.0 | 21.6 | 16.4 | 10.0 | 5.0 | -6.1 | -13.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.3 | 9.8 | 7.5 | 7.3 | 10.0 | 9.3 | 9.4 | 7.6 | 8.3 | 7.4 | 6.9 |
| Precipitation (mm) | 3 | 11 | 1 | 72 | 70 | 38 | 248 | 134 | 71 | 1 | 18 | 19 |
| Sunny days | 28 | 23 | 29 | 19 | 18 | 25 | 17 | 17 | 18 | 29 | 26 | 25 |
| Rainy days | 2 | 3 | 2 | 11 | 13 | 5 | 14 | 14 | 12 | 2 | 3 | 1 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Xiyan is at