Average annual temperature is 10.3 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -26.0 °C
Number of sunny days: 239 days
Number of rainy days: 111 days
Number of snow days: 15 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) | 12.4 | 13.4 | 21.9 | 28.7 | 30.0 | 32.5 | 34.5 | 32.3 | 27.9 | 24.1 | 23.5 | 17.2 |
| Average daytime temperature (°C) | 3.5 | 6.2 | 14.8 | 16.2 | 22.1 | 28.1 | 29.8 | 27.4 | 23.3 | 18.7 | 10.0 | 1.6 |
| Average temperature (°C) | -3.2 | -0.1 | 7.2 | 9.7 | 15.9 | 21.1 | 23.8 | 21.9 | 17.5 | 11.7 | 2.8 | -5.2 |
| Average night temperature (°C) | -9.1 | -4.8 | 0.5 | 4.0 | 10.6 | 14.5 | 18.2 | 17.2 | 12.8 | 5.5 | -2.8 | -11.1 |
| Absolute minimum temperature (°C) | -20.1 | -7.9 | -4.9 | -3.2 | 3.9 | 9.9 | 14.0 | 11.1 | 4.8 | 0.2 | -9.1 | -26.0 |
| 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 | 10.9 | 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) | 7.9 | 7.1 | 9.3 | 7.7 | 7.4 | 10.5 | 10.1 | 9.3 | 8.1 | 8.2 | 7.9 | 7.5 |
| Precipitation (mm) | 8 | 10 | 8 | 91 | 63 | 23 | 72 | 106 | 66 | 7 | 16 | 24 |
| Sunny days | 28 | 21 | 24 | 17 | 16 | 16 | 16 | 14 | 10 | 26 | 26 | 25 |
| Rainy days | 0 | 1 | 6 | 12 | 15 | 14 | 15 | 17 | 20 | 5 | 2 | 4 |
| Snow days | 3 | 6 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The largest precipitation sum in Siyuan is at