Average annual temperature is 8.3 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -20.6 °C
Number of sunny days: 220 days
Number of rainy days: 119 days
Number of snow days: 26 days
Look at detailed online map of Si’eryuan
* Weather data for Si’eryuan 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) | 8.7 | 8.0 | 18.1 | 26.5 | 27.0 | 29.6 | 33.4 | 29.0 | 29.1 | 19.2 | 19.2 | 11.9 |
| Average daytime temperature (°C) | -0.6 | 2.0 | 11.5 | 12.6 | 18.2 | 24.9 | 27.0 | 25.0 | 20.5 | 14.5 | 6.7 | 1.0 |
| Average temperature (°C) | -5.9 | -2.9 | 5.1 | 7.4 | 13.2 | 19.3 | 21.1 | 19.7 | 15.4 | 9.2 | 1.1 | -3.9 |
| Average night temperature (°C) | -10.9 | -7.7 | -1.0 | 2.4 | 8.8 | 13.8 | 15.8 | 14.9 | 11.2 | 4.5 | -3.6 | -8.1 |
| Absolute minimum temperature (°C) | -20.6 | -15.4 | -8.7 | -7.2 | 1.3 | 9.2 | 11.5 | 8.2 | 6.9 | -0.1 | -8.8 | -18.5 |
| 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) | 8.1 | 6.9 | 9.2 | 8.0 | 7.0 | 9.7 | 9.8 | 9.3 | 7.5 | 7.2 | 8.0 | 7.8 |
| Precipitation (mm) | 1 | 17 | 2 | 50 | 56 | 21 | 58 | 32 | 52 | 55 | 3 | 5 |
| Sunny days | 30 | 17 | 24 | 16 | 8 | 20 | 12 | 14 | 11 | 17 | 25 | 26 |
| Rainy days | 0 | 0 | 5 | 9 | 23 | 10 | 19 | 17 | 19 | 14 | 2 | 1 |
| Snow days | 1 | 11 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 |
The largest precipitation sum in Si’eryuan is at