Average annual temperature is 6.8 °C
Absolute maximum temperature: 21.9 °C
Absolute minimum temperature: -11.1 °C
Number of sunny days: 129 days
Number of rainy days: 196 days
Number of snow days: 40 days
Look at detailed online map of Siya
* Weather data for Siya 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) | 12.3 | 10.6 | 11.1 | 17.7 | 21.9 | 21.6 | 20.9 | 20.8 | 19.5 | 18.1 | 12.8 | 8.7 |
| Average daytime temperature (°C) | 6.3 | 6.5 | 8.6 | 12.6 | 14.4 | 17.6 | 18.8 | 18.3 | 17.7 | 13.7 | 9.0 | 5.8 |
| Average temperature (°C) | 0.3 | 0.8 | 2.8 | 6.2 | 8.7 | 12.6 | 13.7 | 13.8 | 11.8 | 7.8 | 2.8 | -0.3 |
| Average night temperature (°C) | -4.1 | -3.6 | -2.1 | 0.6 | 3.8 | 8.1 | 9.6 | 10.4 | 7.3 | 3.2 | -2.5 | -4.8 |
| Absolute minimum temperature (°C) | -6.2 | -8.8 | -6.7 | -3.0 | 1.2 | 5.8 | 7.4 | 6.7 | 3.5 | -1.1 | -11.1 | -11.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.5 | 9.3 | 10.2 | 10.9 | 10.2 | 9.4 | 9.1 | 7.6 | 10.1 | 9.6 | 9.2 | 8.7 |
| Precipitation (mm) | 1 | 20 | 22 | 29 | 65 | 144 | 175 | 223 | 90 | 33 | 30 | 21 |
| Sunny days | 27 | 9 | 7 | 11 | 9 | 3 | 0 | 0 | 0 | 12 | 27 | 24 |
| Rainy days | 0 | 3 | 12 | 17 | 22 | 27 | 31 | 31 | 30 | 19 | 2 | 2 |
| Snow days | 4 | 16 | 12 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Siya is at