Average annual temperature is 4.9 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: -31.9 °C
Number of sunny days: 271 days
Number of rainy days: 75 days
Number of snow days: 19 days
Look at detailed online map of Bayan-mönhö-süm
* Weather data for Bayan-mönhö-süm 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) | -1.1 | 8.2 | 18.5 | 22.7 | 27.3 | 39.7 | 38.4 | 36.7 | 33.5 | 21.8 | 14.1 | 1.3 |
| Average daytime temperature (°C) | -11.6 | -2.9 | 7.0 | 12.6 | 20.6 | 29.5 | 30.2 | 28.6 | 23.3 | 14.6 | -4.6 | -13.4 |
| Average temperature (°C) | -17.3 | -10.2 | -0.3 | 5.3 | 14.4 | 22.9 | 23.8 | 22.2 | 16.7 | 7.3 | -9.6 | -17.7 |
| Average night temperature (°C) | -23.2 | -17.1 | -6.8 | -1.9 | 7.9 | 15.8 | 17.4 | 15.8 | 10.2 | 0.8 | -14.0 | -22.4 |
| Absolute minimum temperature (°C) | -30.8 | -24.0 | -14.5 | -6.1 | 1.2 | 8.8 | 11.9 | 9.9 | 1.6 | -4.5 | -24.5 | -31.9 |
| 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) | 9.2 | 10.4 | 11.9 | 13.5 | 14.9 | 15.6 | 15.3 | 14.1 | 12.5 | 11.0 | 9.5 | 8.8 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 7.6 | 9.0 | 10.5 | 10.3 | 9.7 | 11.6 | 10.5 | 11.4 | 9.9 | 9.2 | 7.1 | 6.2 |
| Precipitation (mm) | 0 | 0 | 0 | 4 | 18 | 25 | 38 | 23 | 24 | 2 | 23 | 7 |
| Sunny days | 29 | 26 | 31 | 24 | 23 | 21 | 15 | 17 | 14 | 27 | 21 | 23 |
| Rainy days | 0 | 0 | 0 | 6 | 8 | 9 | 16 | 14 | 16 | 4 | 1 | 1 |
| Snow days | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 8 | 7 |
Months with the longest average daylight duration in Bayan-mönhö-süm:
The largest precipitation sum in Bayan-mönhö-süm is at