Average annual temperature is 1.4 °C
Absolute maximum temperature: 32.3 °C
Absolute minimum temperature: -34.3 °C
Number of sunny days: 215 days
Number of rainy days: 108 days
Number of snow days: 42 days
Look at detailed online map of Bayan-Öndör
* Weather data for Bayan-Öndör 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) | 2.8 | 6.4 | 15.7 | 21.0 | 21.4 | 31.8 | 32.3 | 28.7 | 28.8 | 15.9 | 13.5 | 2.6 |
| Average daytime temperature (°C) | -10.2 | -4.5 | 3.9 | 6.4 | 14.0 | 23.0 | 22.8 | 22.7 | 17.1 | 11.5 | -6.7 | -12.6 |
| Average temperature (°C) | -16.4 | -11.6 | -2.7 | 0.4 | 7.7 | 16.6 | 17.5 | 17.0 | 10.9 | 4.9 | -11.2 | -17.3 |
| Average night temperature (°C) | -22.2 | -18.1 | -9.6 | -5.1 | 1.4 | 10.3 | 12.6 | 11.4 | 5.2 | -0.9 | -15.7 | -22.8 |
| Absolute minimum temperature (°C) | -32.1 | -25.1 | -18.6 | -14.7 | -2.9 | 3.5 | 8.3 | 5.2 | -1.8 | -3.8 | -30.1 | -34.3 |
| 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 | 15.8 | 15.4 | 14.1 | 12.6 | 10.9 | 9.4 | 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) | 7.3 | 8.7 | 10.3 | 11.3 | 10.2 | 11.8 | 10.5 | 11.0 | 10.2 | 9.3 | 7.5 | 6.4 |
| Precipitation (mm) | 2 | 3 | 8 | 7 | 40 | 35 | 135 | 42 | 20 | 2 | 18 | 9 |
| Sunny days | 27 | 23 | 24 | 21 | 10 | 11 | 8 | 11 | 12 | 26 | 20 | 22 |
| Rainy days | 1 | 0 | 1 | 2 | 20 | 19 | 23 | 20 | 17 | 3 | 1 | 1 |
| Snow days | 3 | 5 | 6 | 7 | 1 | 0 | 0 | 0 | 1 | 2 | 9 | 8 |
Months with the longest average daylight duration in Bayan-Öndör:
The largest precipitation sum in Bayan-Öndör is at