Average annual temperature is 1.0 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -33.1 °C
Number of sunny days: 220 days
Number of rainy days: 87 days
Number of snow days: 58 days
Look at detailed online map of Altai
* Weather data for Altai 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) | 1.9 | 4.4 | 9.0 | 15.4 | 18.0 | 28.4 | 31.3 | 29.0 | 25.0 | 14.1 | 7.0 | 1.5 |
| Average daytime temperature (°C) | -10.1 | -4.2 | 2.2 | 3.0 | 9.3 | 20.4 | 22.6 | 20.9 | 12.7 | 8.6 | -2.9 | -8.6 |
| Average temperature (°C) | -14.8 | -9.6 | -3.0 | -1.5 | 4.4 | 15.0 | 17.2 | 15.2 | 7.5 | 2.9 | -8.0 | -13.6 |
| Average night temperature (°C) | -19.4 | -14.8 | -8.8 | -6.8 | -0.4 | 8.8 | 11.5 | 9.2 | 1.9 | -2.3 | -12.7 | -17.8 |
| Absolute minimum temperature (°C) | -33.1 | -20.1 | -17.9 | -16.6 | -7.1 | -0.3 | 5.3 | 4.0 | -5.2 | -4.7 | -19.3 | -31.4 |
| 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 | 9.4 | 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) | 7.5 | 8.8 | 10.3 | 11.3 | 10.6 | 12.9 | 11.4 | 11.4 | 9.5 | 9.6 | 6.8 | 6.6 |
| Precipitation (mm) | 6 | 5 | 7 | 17 | 65 | 15 | 40 | 33 | 54 | 6 | 17 | 6 |
| Sunny days | 24 | 24 | 25 | 18 | 8 | 16 | 15 | 13 | 14 | 23 | 17 | 23 |
| Rainy days | 0 | 0 | 0 | 3 | 14 | 14 | 16 | 18 | 13 | 7 | 2 | 0 |
| Snow days | 7 | 4 | 6 | 9 | 9 | 0 | 0 | 0 | 3 | 1 | 11 | 8 |
The best time to visit Altai during the most sunny months:
Months with the longest average daylight duration in Altai:
The largest precipitation sum in Altai is at