Average annual temperature is 9.6 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -21.9 °C
Number of sunny days: 289 days
Number of rainy days: 66 days
Number of snow days: 10 days
Look at detailed online map of Bayan Tolgoi
* Weather data for Bayan Tolgoi China is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 6.7 | 10.7 | 19.7 | 27.4 | 31.3 | 34.3 | 34.2 | 34.6 | 31.0 | 21.6 | 20.3 | 11.1 |
| Average daytime temperature (°C) | -1.4 | 4.5 | 12.7 | 15.1 | 22.3 | 28.6 | 30.4 | 29.4 | 24.1 | 17.8 | 5.4 | -0.5 |
| Average temperature (°C) | -7.2 | -1.2 | 5.1 | 9.0 | 16.3 | 22.2 | 24.0 | 23.3 | 18.0 | 11.1 | -0.1 | -6.1 |
| Average night temperature (°C) | -13.0 | -6.7 | -2.2 | 3.1 | 10.5 | 15.5 | 17.9 | 17.4 | 12.5 | 5.0 | -5.2 | -10.7 |
| Absolute minimum temperature (°C) | -21.8 | -11.2 | -8.2 | -4.2 | 5.2 | 8.5 | 12.8 | 11.1 | 6.2 | 1.2 | -11.4 | -21.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.3 | 8.2 | 9.7 | 7.4 | 7.7 | 10.1 | 9.9 | 10.1 | 8.8 | 8.2 | 8.2 | 7.6 |
| Precipitation (mm) | 0 | 5 | 0 | 29 | 26 | 39 | 28 | 37 | 20 | 17 | 2 | 5 |
| Sunny days | 29 | 24 | 28 | 20 | 20 | 25 | 22 | 20 | 22 | 23 | 28 | 28 |
| Rainy days | 0 | 1 | 2 | 9 | 11 | 5 | 9 | 11 | 8 | 8 | 1 | 1 |
| Snow days | 2 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The largest precipitation sum in Bayan Tolgoi is at