Average annual temperature is 0.6 °C
Absolute maximum temperature: 30.5 °C
Absolute minimum temperature: -35.9 °C
Number of sunny days: 209 days
Number of rainy days: 111 days
Number of snow days: 45 days
Look at detailed online map of Undur Sume
* Weather data for Undur Sume Mongolia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | -2.3 | 3.6 | 15.0 | 20.8 | 21.1 | 30.3 | 30.5 | 26.9 | 24.1 | 16.8 | 6.9 | 3.8 |
| Average daytime temperature (°C) | -12.2 | -5.5 | 3.3 | 5.2 | 11.8 | 22.2 | 22.4 | 21.5 | 14.6 | 10.2 | -3.9 | -11.9 |
| Average temperature (°C) | -18.2 | -13.0 | -3.9 | -0.4 | 6.1 | 15.9 | 17.1 | 15.9 | 9.2 | 3.6 | -9.0 | -17.0 |
| Average night temperature (°C) | -24.2 | -19.7 | -11.2 | -6.2 | 0.4 | 8.9 | 11.6 | 10.4 | 3.9 | -2.0 | -13.6 | -21.2 |
| Absolute minimum temperature (°C) | -35.9 | -23.6 | -20.1 | -14.6 | -5.6 | 0.3 | 6.1 | 4.3 | -3.4 | -6.7 | -22.3 | -28.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.6 | 10.1 | 11.9 | 13.8 | 15.5 | 16.4 | 15.9 | 14.5 | 12.6 | 10.7 | 9.0 | 8.1 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 6.5 | 8.7 | 9.4 | 10.8 | 9.3 | 11.6 | 10.9 | 10.7 | 7.9 | 8.7 | 6.5 | 6.1 |
| Precipitation (mm) | 1 | 0 | 10 | 16 | 56 | 58 | 95 | 135 | 50 | 2 | 7 | 6 |
| Sunny days | 28 | 27 | 26 | 17 | 8 | 7 | 9 | 7 | 8 | 26 | 20 | 26 |
| Rainy days | 0 | 0 | 0 | 2 | 16 | 23 | 22 | 24 | 22 | 2 | 0 | 0 |
| Snow days | 3 | 1 | 5 | 11 | 7 | 0 | 0 | 0 | 0 | 3 | 10 | 5 |
The best time to visit Undur Sume during the most sunny months:
Months with the longest average daylight duration in Undur Sume:
The largest precipitation sum in Undur Sume is at