Average annual temperature is 13.3 °C
Absolute maximum temperature: 37.1 °C
Absolute minimum temperature: -18.3 °C
Number of sunny days: 251 days
Number of rainy days: 107 days
Number of snow days: 7 days
Look at detailed online map of Siwo
* Weather data for Siwo 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) | 12.7 | 13.9 | 25.8 | 27.3 | 34.9 | 37.1 | 34.0 | 33.1 | 30.6 | 26.1 | 26.9 | 18.5 |
| Average daytime temperature (°C) | 3.8 | 6.5 | 16.2 | 18.5 | 24.8 | 30.4 | 31.0 | 29.0 | 25.8 | 21.3 | 10.5 | 2.5 |
| Average temperature (°C) | -1.1 | 1.5 | 10.0 | 13.0 | 19.3 | 24.5 | 26.1 | 24.4 | 21.0 | 15.9 | 5.7 | -1.9 |
| Average night temperature (°C) | -5.2 | -2.4 | 4.2 | 8.4 | 14.6 | 18.9 | 22.3 | 20.4 | 17.0 | 11.5 | 1.4 | -6.0 |
| Absolute minimum temperature (°C) | -16.3 | -5.8 | -2.8 | 3.3 | 10.8 | 14.6 | 19.5 | 14.8 | 10.5 | 5.9 | -6.8 | -18.3 |
| 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) | 7.5 | 8.0 | 9.6 | 7.8 | 7.8 | 10.0 | 9.3 | 9.9 | 8.7 | 8.4 | 7.3 | 6.4 |
| Precipitation (mm) | 6 | 6 | 3 | 67 | 30 | 50 | 202 | 90 | 87 | 2 | 15 | 19 |
| Sunny days | 26 | 26 | 26 | 18 | 16 | 15 | 12 | 16 | 18 | 28 | 25 | 25 |
| Rainy days | 2 | 1 | 4 | 12 | 15 | 15 | 19 | 15 | 12 | 3 | 4 | 5 |
| Snow days | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The largest precipitation sum in Siwo is at