Average annual temperature is 3.1 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: -24.9 °C
Number of sunny days: 215 days
Number of rainy days: 98 days
Number of snow days: 52 days
Look at detailed online map of Siyuan
* Weather data for Siyuan 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) | 9.0 | 5.5 | 8.9 | 18.2 | 20.3 | 22.9 | 29.7 | 26.8 | 23.1 | 14.6 | 11.1 | 4.5 |
| Average daytime temperature (°C) | -4.1 | 0.3 | 4.2 | 8.3 | 12.6 | 17.8 | 21.4 | 19.1 | 16.4 | 7.2 | 3.2 | -2.2 |
| Average temperature (°C) | -10.4 | -5.4 | -0.8 | 2.9 | 6.6 | 12.5 | 15.6 | 13.7 | 10.4 | 1.6 | -2.3 | -7.9 |
| Average night temperature (°C) | -17.1 | -12.0 | -6.3 | -2.9 | 1.4 | 7.0 | 9.5 | 8.9 | 4.4 | -3.3 | -7.2 | -12.5 |
| Absolute minimum temperature (°C) | -24.9 | -24.2 | -14.6 | -12.9 | -7.5 | 3.3 | 3.0 | 5.0 | -2.6 | -8.9 | -11.6 | -22.4 |
| 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 | 14.3 | 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) | 8.5 | 8.8 | 10.4 | 10.3 | 9.5 | 10.8 | 11.2 | 9.3 | 9.6 | 9.0 | 8.9 | 8.4 |
| Precipitation (mm) | 3 | 15 | 5 | 15 | 78 | 65 | 32 | 85 | 47 | 47 | 1 | 6 |
| Sunny days | 25 | 18 | 23 | 17 | 6 | 12 | 17 | 14 | 16 | 17 | 24 | 26 |
| Rainy days | 0 | 2 | 0 | 5 | 19 | 18 | 14 | 17 | 14 | 8 | 0 | 1 |
| Snow days | 6 | 8 | 8 | 8 | 6 | 0 | 0 | 0 | 0 | 6 | 6 | 4 |
The largest precipitation sum in Siyuan is at