Average annual temperature is -0.9 °C
Absolute maximum temperature: 29.7 °C
Absolute minimum temperature: -38.0 °C
Number of sunny days: 192 days
Number of rainy days: 116 days
Number of snow days: 57 days
Look at detailed online map of Bayan
* Weather data for Bayan 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) | -1.7 | 3.1 | 12.2 | 17.6 | 18.6 | 29.3 | 29.7 | 25.3 | 24.4 | 13.5 | 4.6 | 0.9 |
| Average daytime temperature (°C) | -14.1 | -7.2 | 0.0 | 3.1 | 8.8 | 19.4 | 20.4 | 20.1 | 11.7 | 7.6 | -7.3 | -13.7 |
| Average temperature (°C) | -18.3 | -12.6 | -6.2 | -1.9 | 3.9 | 13.8 | 15.5 | 14.8 | 7.2 | 2.6 | -12.1 | -18.8 |
| Average night temperature (°C) | -24.0 | -17.7 | -13.1 | -7.8 | -0.8 | 8.1 | 10.7 | 9.7 | 2.4 | -2.0 | -17.5 | -23.2 |
| Absolute minimum temperature (°C) | -38.0 | -25.8 | -23.7 | -16.8 | -6.2 | 0.9 | 4.9 | 4.0 | -7.4 | -7.3 | -27.9 | -35.8 |
| 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) | 7.0 | 8.7 | 9.5 | 11.4 | 9.9 | 11.9 | 11.5 | 11.3 | 8.4 | 9.0 | 6.6 | 6.0 |
| Precipitation (mm) | 1 | 1 | 15 | 11 | 75 | 60 | 119 | 73 | 101 | 7 | 17 | 11 |
| Sunny days | 25 | 25 | 23 | 17 | 6 | 9 | 8 | 7 | 9 | 22 | 18 | 23 |
| Rainy days | 0 | 0 | 0 | 3 | 19 | 21 | 23 | 24 | 19 | 5 | 0 | 2 |
| Snow days | 6 | 3 | 8 | 10 | 6 | 0 | 0 | 0 | 2 | 4 | 12 | 6 |
The best time to visit Bayan during the most sunny months:
Months with the longest average daylight duration in Bayan:
The largest precipitation sum in Bayan is at