Average temperature in January is -17.2 °C
Average daytime temperature is -13.1 °C
Average night temperature is -22.3 °C
Absolute maximum temperature: -2.9 °C
Absolute minimum temperature: -39.1 °C
Number of sunny days: 22
Number of rainy days:
Number of snow days: 9
Precipitation sum: 5 mm
* Weather data for Altan Mongolia is based on climate observations for 2023 year
| January (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | -12 | -12.7 | -14.3 | -10.4 | -13.3 | -6.5 | -3.2 | -5.3 | -3.5 | -3.1 | -2.9 | -19.2 | -22.7 | -19.7 | -16 | -18.2 | -13.5 | -15.4 | -17 | -15.3 | -16.8 | -25.9 | -19.4 | -13.8 | -18.2 | -18.2 | -11.3 | -9.2 | -8.8 | -10.5 | -8.5 |
| Apparent max temperature | -17.3 | -18.1 | -19.9 | -16.8 | -18.8 | -12.4 | -7.4 | -11 | -10 | -9.1 | -8.2 | -25.9 | -28 | -24.7 | -21.9 | -23.2 | -17.8 | -22.2 | -21.4 | -20.4 | -21.4 | -32.8 | -26 | -19.3 | -22.8 | -23.5 | -17 | -13.1 | -14.5 | -15.3 | -13.1 |
| Mean temperature | -16.4 | -18.2 | -16.6 | -13.7 | -15.8 | -8.9 | -9.3 | -8.9 | -5.9 | -6.4 | -10.3 | -23.6 | -25.7 | -23.4 | -19.9 | -21.4 | -18.2 | -19.2 | -20.1 | -19.9 | -23.3 | -29.9 | -25.1 | -18.6 | -21.5 | -21.6 | -15.9 | -14.2 | -13.4 | -14.6 | -13.9 |
| Apparent mean temperature | -27.3 | -31.7 | -27.8 | -23.9 | -26.2 | -19.9 | -17.5 | -17.3 | -16.1 | -15 | -26.5 | -32 | -33.2 | -32.6 | -29.5 | -29.8 | -27.5 | -29 | -36.3 | -29.3 | -39.2 | -42.1 | -45.3 | -30.4 | -31.6 | -30.7 | -27 | -25.2 | -22.9 | -24.2 | -22.2 |
| Minimum temperature | -21.6 | -26.3 | -22.1 | -17.4 | -20.8 | -13.4 | -12.3 | -11.9 | -9.5 | -8.8 | -20.2 | -27.5 | -27.8 | -27.2 | -23.3 | -23.5 | -21.5 | -23.9 | -30.3 | -24.2 | -32.8 | -35.7 | -39.1 | -25.2 | -26.4 | -26 | -21 | -19.6 | -17.3 | -18.7 | -16.8 |
| Apparent min temperature | -21.8 | -23.4 | -22.5 | -19.5 | -21.8 | -14.9 | -14.2 | -14.8 | -12.2 | -12.9 | -16 | -29 | -31.4 | -29.2 | -25.4 | -26.9 | -23.4 | -24.7 | -25.8 | -24.5 | -29 | -35.6 | -32.3 | -23.8 | -26 | -27.5 | -21.5 | -19.2 | -19 | -19.6 | -19 |
| January | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 8.4 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.6 | 8.6 | 8.6 | 8.6 | 8.7 | 8.7 | 8.7 | 8.8 | 8.8 | 8.8 | 8.9 | 8.9 | 8.9 | 9 | 9 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.3 | 9.3 | 9.4 | 9.4 | 9.5 |
| Sunshine duration (h) | 7.1 | 6.3 | 6.9 | 6.9 | 7.2 | 6.3 | 7.3 | 7.3 | 7.4 | 7.4 | 1 | 7.2 | 7.5 | 7.5 | 7.5 | 7.6 | 2.8 | 5.8 | 7.7 | 7.1 | 4.2 | 7.8 | 7.9 | 5.1 | 7.9 | 8 | 8.1 | 8.2 | 8.2 | 8.2 | 8.3 |
| Precipitation (mm) | 0 | 0 | 0.1 | 0.9 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0.8 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0.5 | 0.4 | 0 | 1 | 0 | 0 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 1 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 3 | 4 | 4 | 0 | 8 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 15 | 14.5 | 16.8 | 18.9 | 20 | 18.8 | 11.9 | 21.1 | 23.5 | 24.6 | 23.6 | 19.3 | 15.5 | 16.1 | 17.1 | 22.2 | 21.4 | 22.5 | 17.3 | 9 | 14.9 | 19.9 | 26.9 | 16.1 | 8.2 | 17 | 16.1 | 10.5 | 15.1 | 11.1 | 11.5 |
In January 2023, the highest daytime temperature in Altan was -2.9°C.
While the minimum temperature at night dropped to -39.1°C.
The average nighttime and daytime temperatures during January in Altan are -22.3°C and -13.1°C respectively.
The precipitation sum in January is about 5 mm.