Average annual temperature is 9.0 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: -27.2 °C
Number of sunny days: 305 days
Number of rainy days: 48 days
Number of snow days: 12 days
Look at detailed online map of Nomgon Sum
* Weather data for Nomgon Sum 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) | 2.5 | 11.4 | 19.7 | 26.3 | 30.3 | 37.3 | 38.8 | 38.0 | 34.5 | 22.5 | 19.6 | 9.0 |
| Average daytime temperature (°C) | -5.8 | 2.2 | 10.4 | 14.9 | 22.6 | 30.9 | 31.7 | 31.8 | 24.7 | 17.6 | 2.1 | -5.0 |
| Average temperature (°C) | -11.6 | -3.6 | 3.9 | 9.0 | 16.6 | 25.0 | 25.7 | 26.1 | 18.8 | 11.3 | -3.3 | -10.4 |
| Average night temperature (°C) | -17.6 | -9.9 | -3.9 | 1.5 | 9.6 | 17.9 | 19.0 | 19.2 | 11.6 | 4.0 | -9.1 | -15.6 |
| Absolute minimum temperature (°C) | -26.7 | -14.6 | -10.3 | -4.8 | 4.1 | 10.3 | 14.5 | 15.0 | 2.4 | 0.2 | -19.0 | -27.2 |
| 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) | 8.2 | 8.5 | 10.4 | 9.6 | 9.8 | 11.0 | 10.2 | 10.8 | 10.3 | 9.4 | 8.1 | 7.3 |
| Precipitation (mm) | 1 | 3 | 0 | 8 | 7 | 5 | 25 | 4 | 18 | 1 | 0 | 2 |
| Sunny days | 28 | 25 | 30 | 24 | 23 | 23 | 20 | 27 | 20 | 30 | 28 | 27 |
| Rainy days | 0 | 0 | 1 | 4 | 8 | 7 | 11 | 4 | 10 | 1 | 0 | 2 |
| Snow days | 3 | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The largest precipitation sum in Nomgon Sum is at