Average annual temperature is 14.2 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: -12.8 °C
Number of sunny days: 251 days
Number of rainy days: 111 days
Number of snow days: 3 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) | 11.5 | 15.2 | 25.2 | 30.1 | 33.4 | 34.2 | 37.4 | 36.4 | 31.5 | 24.7 | 26.4 | 18.4 |
| Average daytime temperature (°C) | 6.2 | 9.8 | 17.9 | 20.2 | 25.0 | 29.3 | 32.4 | 30.9 | 26.6 | 21.1 | 13.3 | 5.9 |
| Average temperature (°C) | 0.3 | 4.0 | 11.1 | 14.5 | 19.7 | 23.7 | 26.9 | 25.8 | 21.4 | 15.1 | 7.1 | 0.1 |
| Average night temperature (°C) | -4.7 | -1.2 | 4.7 | 8.9 | 14.9 | 18.3 | 22.1 | 21.3 | 17.1 | 10.3 | 2.0 | -4.5 |
| Absolute minimum temperature (°C) | -12.8 | -4.4 | -2.1 | 3.0 | 7.6 | 12.6 | 18.1 | 15.5 | 10.6 | 6.7 | -4.4 | -12.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 7.1 | 8.8 | 7.7 | 7.3 | 9.1 | 9.9 | 9.7 | 7.4 | 7.3 | 7.7 | 7.2 |
| Precipitation (mm) | 6 | 15 | 17 | 73 | 101 | 77 | 81 | 145 | 78 | 21 | 17 | 23 |
| Sunny days | 29 | 20 | 26 | 19 | 18 | 18 | 20 | 15 | 12 | 24 | 25 | 25 |
| Rainy days | 1 | 7 | 5 | 11 | 13 | 12 | 11 | 16 | 18 | 7 | 5 | 5 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Xiyan is at