Average annual temperature is 3.1 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: -33.7 °C
Number of sunny days: 222 days
Number of rainy days: 110 days
Number of snow days: 33 days
Look at detailed online map of Ih-Uul Sum
* Weather data for Ih-Uul 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) | -2.9 | 8.1 | 14.8 | 24.3 | 24.5 | 34.4 | 34.5 | 28.9 | 26.1 | 16.8 | 9.0 | 1.5 |
| Average daytime temperature (°C) | -11.4 | -3.2 | 5.6 | 8.8 | 14.7 | 25.3 | 24.8 | 24.3 | 16.6 | 11.6 | -2.1 | -10.6 |
| Average temperature (°C) | -17.2 | -9.4 | -1.0 | 2.8 | 9.2 | 19.0 | 19.4 | 18.5 | 11.6 | 5.7 | -7.0 | -15.1 |
| Average night temperature (°C) | -23.2 | -15.8 | -7.9 | -3.0 | 3.1 | 12.7 | 14.4 | 13.2 | 6.6 | 0.1 | -11.5 | -19.2 |
| Absolute minimum temperature (°C) | -33.7 | -20.3 | -14.8 | -11.5 | -1.6 | 3.3 | 9.1 | 7.1 | -1.6 | -5.7 | -19.0 | -27.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.7 | 10.1 | 11.9 | 13.7 | 15.4 | 16.2 | 15.8 | 14.4 | 12.6 | 10.8 | 9.1 | 8.2 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 6.9 | 8.8 | 9.5 | 11.1 | 9.0 | 11.5 | 10.8 | 11.5 | 8.0 | 9.1 | 6.8 | 6.2 |
| Precipitation (mm) | 1 | 0 | 8 | 3 | 62 | 59 | 113 | 87 | 52 | 11 | 5 | 6 |
| Sunny days | 27 | 26 | 24 | 19 | 9 | 13 | 8 | 11 | 12 | 25 | 23 | 25 |
| Rainy days | 0 | 0 | 3 | 4 | 19 | 17 | 23 | 20 | 18 | 4 | 2 | 0 |
| Snow days | 4 | 2 | 4 | 7 | 3 | 0 | 0 | 0 | 0 | 2 | 5 | 6 |
The best time to visit Ih-Uul Sum during the most sunny months:
Months with the longest average daylight duration in Ih-Uul Sum:
The largest precipitation sum in Ih-Uul Sum is at