Average annual temperature is 6.3 °C
Absolute maximum temperature: 23.4 °C
Absolute minimum temperature: -14.9 °C
Number of sunny days: 118 days
Number of rainy days: 191 days
Number of snow days: 56 days
Look at detailed online map of Sewan
* Weather data for Sewan 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) | 14.9 | 11.1 | 13.5 | 18.5 | 20.1 | 20.4 | 23.4 | 22.4 | 20.2 | 18.9 | 13.3 | 9.9 |
| Average daytime temperature (°C) | 3.0 | 5.1 | 6.1 | 11.9 | 14.3 | 16.6 | 19.4 | 18.9 | 17.2 | 11.6 | 8.4 | 5.0 |
| Average temperature (°C) | -3.3 | -0.1 | 0.9 | 6.2 | 9.2 | 11.9 | 14.4 | 14.3 | 12.3 | 6.8 | 3.1 | -0.3 |
| Average night temperature (°C) | -9.4 | -5.1 | -4.7 | 0.3 | 4.5 | 7.9 | 9.6 | 10.3 | 8.0 | 2.7 | -2.0 | -4.9 |
| Absolute minimum temperature (°C) | -14.9 | -9.8 | -11.0 | -11.7 | -1.6 | 3.7 | 6.5 | 4.2 | 3.1 | -2.1 | -8.5 | -8.8 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.3 | 11.0 | 12.0 | 13.0 | 13.8 | 14.2 | 14.0 | 13.3 | 12.4 | 11.4 | 10.5 | 10.1 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.1 | 8.4 | 8.5 | 9.1 | 9.0 | 8.1 | 9.6 | 9.0 | 8.3 | 7.5 | 9.0 | 8.7 |
| Precipitation (mm) | 8 | 33 | 63 | 62 | 127 | 128 | 191 | 233 | 95 | 99 | 23 | 9 |
| Sunny days | 23 | 11 | 9 | 8 | 5 | 1 | 7 | 1 | 2 | 5 | 22 | 24 |
| Rainy days | 1 | 2 | 5 | 19 | 25 | 29 | 24 | 30 | 28 | 24 | 3 | 1 |
| Snow days | 7 | 15 | 17 | 3 | 1 | 0 | 0 | 0 | 0 | 2 | 5 | 6 |
The largest precipitation sum in Sewan is at