Average annual temperature is 1.0 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -40.8 °C
Number of sunny days: 197 days
Number of rainy days: 101 days
Number of snow days: 67 days
Look at detailed online map of Altan
* Weather data for Altan Russia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | -3.9 | -1.3 | 16.4 | 20.2 | 25.8 | 34.1 | 32.2 | 30.1 | 26.1 | 16.0 | 4.7 | -1.6 |
| Average daytime temperature (°C) | -16.4 | -7.9 | 2.5 | 6.5 | 15.3 | 23.7 | 26.0 | 23.0 | 17.3 | 9.2 | -4.9 | -14.0 |
| Average temperature (°C) | -21.2 | -14.4 | -4.4 | -0.2 | 8.4 | 17.2 | 20.0 | 17.5 | 11.6 | 3.2 | -8.5 | -18.2 |
| Average night temperature (°C) | -27.0 | -21.6 | -11.5 | -6.0 | 1.5 | 10.1 | 14.2 | 12.3 | 6.7 | -2.0 | -12.0 | -22.0 |
| Absolute minimum temperature (°C) | -40.8 | -26.3 | -18.0 | -16.2 | -5.1 | 0.7 | 9.2 | 6.2 | 0.3 | -8.7 | -21.2 | -30.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 16.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 |
| Daylight mean duration (h) | 8.4 | 10.0 | 11.9 | 13.9 | 15.6 | 16.6 | 16.1 | 14.6 | 12.7 | 10.7 | 8.9 | 7.9 |
| Daylight minimum duration (h) | 7.0 | 9.0 | 10.0 | 12.0 | 14.0 | 16.0 | 15.0 | 13.0 | 11.0 | 9.0 | 8.0 | 7.0 |
| Sunshine mean duration (h) | 5.7 | 7.1 | 8.9 | 10.5 | 10.9 | 10.9 | 10.4 | 10.4 | 9.2 | 8.1 | 4.2 | 4.7 |
| Precipitation (mm) | 10 | 5 | 15 | 30 | 22 | 26 | 71 | 92 | 55 | 11 | 15 | 13 |
| Sunny days | 17 | 22 | 19 | 15 | 16 | 16 | 13 | 13 | 12 | 21 | 13 | 20 |
| Rainy days | 1 | 0 | 3 | 3 | 14 | 14 | 18 | 18 | 18 | 8 | 4 | 0 |
| Snow days | 13 | 6 | 9 | 12 | 1 | 0 | 0 | 0 | 0 | 2 | 13 | 11 |
The best time to visit Altan during the most sunny months:
Months with the longest average daylight duration in Altan:
The largest precipitation sum in Altan is at