Average annual temperature is 0.4 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -37.8 °C
Number of sunny days: 237 days
Number of rainy days: 96 days
Number of snow days: 32 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) | -4.8 | 3.1 | 13.6 | 19.9 | 21.9 | 32.1 | 34.2 | 29.9 | 28.9 | 15.0 | 10.6 | 4.2 |
| Average daytime temperature (°C) | -14.3 | -7.0 | 3.2 | 6.0 | 15.3 | 24.1 | 22.9 | 22.1 | 16.6 | 9.9 | -6.9 | -12.6 |
| Average temperature (°C) | -21.0 | -15.2 | -3.9 | 0.0 | 8.7 | 17.5 | 17.6 | 16.1 | 10.6 | 3.2 | -11.8 | -17.5 |
| Average night temperature (°C) | -27.2 | -22.6 | -10.6 | -5.9 | 2.1 | 10.5 | 12.3 | 10.5 | 4.8 | -2.5 | -15.9 | -22.4 |
| Absolute minimum temperature (°C) | -37.8 | -26.4 | -19.8 | -13.4 | -3.6 | 5.4 | 7.5 | 3.9 | -2.8 | -7.4 | -23.5 | -33.1 |
| 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) | 7.4 | 9.0 | 10.4 | 11.2 | 10.7 | 12.1 | 10.4 | 11.0 | 9.5 | 9.0 | 7.1 | 6.4 |
| Precipitation (mm) | 1 | 0 | 1 | 12 | 42 | 20 | 113 | 94 | 41 | 8 | 19 | 8 |
| Sunny days | 29 | 28 | 28 | 19 | 17 | 16 | 10 | 8 | 12 | 26 | 21 | 23 |
| Rainy days | 0 | 0 | 1 | 2 | 13 | 14 | 21 | 23 | 18 | 3 | 1 | 0 |
| Snow days | 2 | 0 | 2 | 9 | 1 | 0 | 0 | 0 | 0 | 2 | 8 | 8 |
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