Average annual temperature is 2.8 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -33.6 °C
Number of sunny days: 253 days
Number of rainy days: 85 days
Number of snow days: 27 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) | -3.6 | 5.3 | 17.6 | 19.9 | 25.2 | 36.2 | 35.7 | 31.8 | 30.3 | 16.1 | 8.5 | -0.4 |
| Average daytime temperature (°C) | -13.2 | -4.2 | 4.9 | 9.5 | 17.7 | 27.2 | 26.3 | 25.0 | 19.9 | 11.2 | -7.7 | -13.1 |
| Average temperature (°C) | -18.6 | -10.8 | -1.5 | 2.4 | 11.6 | 20.7 | 20.7 | 18.9 | 13.7 | 5.2 | -11.8 | -17.6 |
| Average night temperature (°C) | -24.3 | -16.5 | -7.8 | -3.9 | 5.2 | 13.5 | 15.2 | 13.1 | 7.8 | -0.2 | -15.8 | -21.9 |
| Absolute minimum temperature (°C) | -33.6 | -20.8 | -16.1 | -9.0 | -0.5 | 7.7 | 10.6 | 8.1 | 0.8 | -5.6 | -24.9 | -30.5 |
| 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) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.7 | 15.4 | 14.1 | 12.6 | 10.9 | 9.5 | 8.7 |
| 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) | 7.6 | 9.1 | 10.7 | 11.1 | 10.0 | 12.2 | 10.2 | 11.4 | 10.2 | 8.8 | 6.7 | 6.0 |
| Precipitation (mm) | 0 | 0 | 0 | 10 | 22 | 3 | 62 | 45 | 35 | 6 | 23 | 7 |
| Sunny days | 29 | 26 | 30 | 22 | 18 | 23 | 16 | 9 | 14 | 25 | 19 | 22 |
| Rainy days | 0 | 0 | 1 | 5 | 12 | 7 | 15 | 22 | 16 | 4 | 2 | 1 |
| Snow days | 2 | 2 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 2 | 9 | 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