Average annual temperature is 0.7 °C
Absolute maximum temperature: 29.9 °C
Absolute minimum temperature: -39.2 °C
Number of sunny days: 201 days
Number of rainy days: 116 days
Number of snow days: 48 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) | -2.2 | 9.5 | 14.7 | 20.4 | 21.4 | 27.3 | 29.9 | 27.0 | 25.0 | 14.7 | 5.4 | 2.0 |
| Average daytime temperature (°C) | -12.6 | -4.3 | 3.5 | 5.6 | 12.0 | 20.6 | 21.0 | 20.5 | 14.2 | 9.6 | -4.6 | -12.9 |
| Average temperature (°C) | -18.4 | -11.2 | -2.9 | -0.1 | 6.5 | 15.2 | 16.7 | 15.9 | 9.4 | 3.6 | -9.3 | -17.7 |
| Average night temperature (°C) | -24.3 | -17.2 | -9.9 | -5.5 | 1.0 | 9.6 | 12.1 | 11.3 | 5.0 | -1.5 | -13.7 | -22.2 |
| Absolute minimum temperature (°C) | -39.2 | -23.8 | -19.3 | -14.6 | -3.2 | 2.4 | 6.6 | 5.3 | -1.5 | -7.1 | -23.3 | -33.9 |
| 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) | 8.8 | 10.2 | 11.9 | 13.7 | 15.3 | 16.1 | 15.7 | 14.3 | 12.6 | 10.8 | 9.2 | 8.3 |
| 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) | 6.9 | 8.8 | 10.0 | 11.0 | 9.4 | 11.6 | 10.2 | 11.1 | 7.8 | 8.8 | 7.0 | 6.4 |
| Precipitation (mm) | 3 | 1 | 16 | 11 | 61 | 115 | 129 | 98 | 103 | 13 | 19 | 6 |
| Sunny days | 26 | 26 | 24 | 13 | 12 | 10 | 9 | 9 | 6 | 23 | 18 | 25 |
| Rainy days | 0 | 0 | 1 | 7 | 13 | 20 | 22 | 22 | 24 | 5 | 1 | 1 |
| Snow days | 5 | 2 | 6 | 10 | 6 | 0 | 0 | 0 | 0 | 3 | 11 | 5 |
The best time to visit Bayan-Öndör during the most sunny months:
Months with the longest average daylight duration in Bayan-Öndör:
The largest precipitation sum in Bayan-Öndör is at