Average annual temperature is 8.1 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -26.1 °C
Number of sunny days: 285 days
Number of rainy days: 60 days
Number of snow days: 20 days
Look at detailed online map of Ulan Sum
* Weather data for Ulan 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) | 5.7 | 11.4 | 20.3 | 25.9 | 31.0 | 36.6 | 35.9 | 37.0 | 33.3 | 23.2 | 21.5 | 8.4 |
| Average daytime temperature (°C) | -5.7 | 0.8 | 8.9 | 13.7 | 21.3 | 29.3 | 29.7 | 30.5 | 24.1 | 16.8 | 1.1 | -5.6 |
| Average temperature (°C) | -10.9 | -4.8 | 2.8 | 8.0 | 15.8 | 23.3 | 23.8 | 24.4 | 17.9 | 10.3 | -3.7 | -10.3 |
| Average night temperature (°C) | -16.4 | -11.3 | -4.4 | 1.4 | 10.0 | 16.3 | 18.2 | 17.5 | 11.3 | 3.3 | -9.4 | -15.2 |
| Absolute minimum temperature (°C) | -26.1 | -18.7 | -11.7 | -6.4 | 2.0 | 8.2 | 12.2 | 10.0 | 3.3 | -2.4 | -19.5 | -25.5 |
| 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 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.0 | 8.5 | 10.3 | 8.8 | 9.2 | 11.4 | 10.2 | 11.1 | 10.1 | 8.8 | 7.7 | 6.8 |
| Precipitation (mm) | 2 | 4 | 0 | 12 | 25 | 8 | 36 | 4 | 27 | 2 | 5 | 6 |
| Sunny days | 26 | 24 | 31 | 24 | 19 | 23 | 16 | 23 | 22 | 28 | 22 | 27 |
| Rainy days | 0 | 1 | 0 | 4 | 12 | 7 | 15 | 8 | 8 | 3 | 2 | 0 |
| Snow days | 5 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 4 |
The largest precipitation sum in Ulan Sum is at