Average annual temperature is 1.9 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: -38.7 °C
Number of sunny days: 254 days
Number of rainy days: 78 days
Number of snow days: 33 days
Look at detailed online map of Herlen
* Weather data for Herlen 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) | -4.4 | 7.8 | 18.3 | 19.4 | 25.1 | 35.5 | 35.9 | 32.3 | 32.5 | 17.4 | 9.8 | -0.6 |
| Average daytime temperature (°C) | -13.9 | -4.2 | 5.2 | 9.0 | 17.6 | 26.7 | 25.5 | 23.9 | 19.9 | 11.7 | -7.7 | -13.4 |
| Average temperature (°C) | -20.7 | -12.1 | -2.2 | 2.0 | 10.9 | 19.6 | 19.7 | 18.0 | 13.4 | 4.9 | -12.9 | -18.5 |
| Average night temperature (°C) | -26.8 | -18.8 | -9.0 | -4.5 | 4.2 | 12.1 | 14.0 | 12.6 | 7.3 | -0.9 | -18.0 | -23.9 |
| Absolute minimum temperature (°C) | -38.7 | -24.2 | -15.4 | -9.7 | -1.7 | 5.8 | 10.3 | 7.3 | 0.9 | -7.7 | -25.7 | -33.8 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.0 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 7.2 | 8.9 | 10.6 | 10.4 | 9.2 | 12.2 | 10.4 | 11.1 | 10.1 | 8.5 | 6.3 | 6.4 |
| Precipitation (mm) | 1 | 0 | 3 | 7 | 21 | 8 | 57 | 31 | 52 | 5 | 25 | 7 |
| Sunny days | 28 | 26 | 27 | 22 | 18 | 23 | 15 | 11 | 17 | 26 | 19 | 22 |
| Rainy days | 0 | 0 | 2 | 2 | 12 | 7 | 16 | 20 | 13 | 3 | 2 | 1 |
| Snow days | 3 | 2 | 2 | 6 | 1 | 0 | 0 | 0 | 0 | 2 | 9 | 8 |
The best time to visit Herlen during the most sunny months:
Months with the longest average daylight duration in Herlen:
The largest precipitation sum in Herlen is at