Average annual temperature is 10.5 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -17.2 °C
Number of sunny days: 230 days
Number of rainy days: 122 days
Number of snow days: 13 days
Look at detailed online map of Si’erwan
* Weather data for Si’erwan 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) | 11.0 | 10.3 | 20.6 | 29.0 | 30.8 | 31.9 | 36.2 | 29.9 | 28.2 | 20.5 | 20.4 | 16.1 |
| Average daytime temperature (°C) | 2.8 | 5.8 | 14.3 | 16.8 | 21.2 | 27.9 | 29.3 | 26.7 | 22.7 | 16.7 | 9.5 | 4.1 |
| Average temperature (°C) | -3.3 | 0.3 | 7.0 | 10.2 | 15.4 | 21.3 | 23.3 | 21.2 | 17.2 | 11.1 | 3.1 | -2.0 |
| Average night temperature (°C) | -8.9 | -4.6 | -0.1 | 4.4 | 10.1 | 14.9 | 17.3 | 16.3 | 12.8 | 6.1 | -2.7 | -7.2 |
| Absolute minimum temperature (°C) | -17.2 | -11.9 | -6.5 | -2.9 | 2.6 | 10.4 | 12.6 | 11.0 | 6.8 | 1.4 | -7.9 | -15.2 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 5.9 | 8.6 | 7.6 | 6.3 | 9.3 | 9.0 | 9.1 | 7.6 | 7.0 | 7.9 | 7.4 |
| Precipitation (mm) | 2 | 16 | 6 | 79 | 54 | 30 | 107 | 63 | 79 | 45 | 9 | 9 |
| Sunny days | 27 | 19 | 23 | 14 | 11 | 20 | 18 | 16 | 9 | 20 | 26 | 27 |
| Rainy days | 1 | 3 | 8 | 15 | 20 | 10 | 13 | 15 | 21 | 11 | 3 | 2 |
| Snow days | 3 | 6 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Si’erwan is at