Average annual temperature is 6.4 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -28.1 °C
Number of sunny days: 252 days
Number of rainy days: 83 days
Number of snow days: 30 days
Look at detailed online map of Boin Sum
* Weather data for Boin Sum 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) | 5.9 | 10.2 | 17.6 | 23.4 | 28.3 | 34.0 | 33.3 | 34.5 | 30.5 | 19.9 | 19.0 | 6.6 |
| Average daytime temperature (°C) | -7.2 | -1.2 | 6.9 | 11.6 | 19.5 | 26.8 | 27.7 | 27.6 | 22.1 | 14.5 | -0.5 | -6.8 |
| Average temperature (°C) | -11.8 | -6.5 | 1.1 | 5.9 | 13.9 | 21.0 | 21.7 | 21.7 | 16.3 | 8.4 | -5.2 | -11.1 |
| Average night temperature (°C) | -16.6 | -12.6 | -5.1 | -0.3 | 8.5 | 14.6 | 16.2 | 15.6 | 10.4 | 2.4 | -10.0 | -15.6 |
| Absolute minimum temperature (°C) | -28.1 | -20.8 | -12.9 | -7.3 | 1.0 | 7.3 | 11.7 | 9.1 | 1.1 | -3.6 | -19.9 | -27.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 8.5 | 10.2 | 8.5 | 9.6 | 11.9 | 10.7 | 11.3 | 10.0 | 8.7 | 7.2 | 6.9 |
| Precipitation (mm) | 3 | 6 | 0 | 30 | 46 | 15 | 61 | 24 | 29 | 12 | 11 | 6 |
| Sunny days | 25 | 23 | 28 | 15 | 19 | 20 | 10 | 17 | 19 | 28 | 21 | 27 |
| Rainy days | 1 | 1 | 1 | 8 | 12 | 10 | 21 | 14 | 11 | 3 | 1 | 0 |
| Snow days | 5 | 4 | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 4 |
The best time to visit Boin Sum during the most sunny months:
The largest precipitation sum in Boin Sum is at