Average temperature in January is -20.1 °C
Average daytime temperature is -13.9 °C
Average night temperature is -26.7 °C
Absolute maximum temperature: -1.3 °C
Absolute minimum temperature: -38.5 °C
Number of sunny days: 28
Number of rainy days: 1
Number of snow days: 2
Precipitation sum: 1 mm
* Weather data for Ulan Bator Mongolia is based on climate observations for 2023 year
| Gennaio (°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 | -19 | -16.2 | -17.7 | -13.9 | -11.5 | -11.1 | -6.8 | -7.5 | -5 | -2.4 | -1.3 | -13.7 | -20.9 | -20.5 | -17.2 | -15.2 | -13.9 | -14.4 | -19.3 | -15.7 | -16.9 | -27.7 | -26.8 | -17.9 | -16.6 | -15.8 | -12.9 | -6.2 | -7.8 | -7.2 | -11.8 |
| Apparent max temperature | -23.4 | -20.3 | -22.2 | -18.5 | -15.5 | -15.9 | -11.1 | -11.4 | -10.3 | -6.4 | -5.9 | -20.6 | -25.7 | -25.5 | -22.1 | -20.6 | -19 | -20.3 | -25.1 | -20.3 | -21.7 | -34.7 | -32.3 | -23 | -22 | -21.3 | -17.9 | -11.6 | -12 | -11.9 | -17.8 |
| Mean temperature | -23.2 | -21.3 | -22.6 | -20.5 | -17.5 | -17 | -13.4 | -14.2 | -11.3 | -9.9 | -11 | -21 | -25.1 | -25.1 | -21.8 | -21.5 | -19.1 | -20.9 | -24.5 | -21.3 | -24.1 | -32.6 | -31.2 | -24.8 | -22.5 | -24.5 | -19.3 | -14.8 | -15.1 | -14.3 | -18.6 |
| Apparent mean temperature | -32.1 | -34.5 | -33.5 | -34.7 | -29.9 | -30.5 | -26.1 | -24.7 | -23.4 | -22.7 | -24 | -33.8 | -32.9 | -34.1 | -34 | -32 | -35.7 | -35.8 | -36.6 | -31.6 | -37.1 | -44.3 | -40.5 | -40.1 | -30.8 | -35.1 | -32 | -29.2 | -26.2 | -29.9 | -31.8 |
| Minimum temperature | -26.8 | -28.9 | -27.9 | -28.9 | -24.6 | -25 | -21.1 | -19.7 | -17.8 | -17.1 | -18.3 | -28 | -27.7 | -28.7 | -28.5 | -26.6 | -29.8 | -29.9 | -30.5 | -26.1 | -31.3 | -38.5 | -35.5 | -34.2 | -26.2 | -29.6 | -26.9 | -24.1 | -20.9 | -23.3 | -26.4 |
| Apparent min temperature | -28 | -25.9 | -27.5 | -25.7 | -22.2 | -22.2 | -18.3 | -18.9 | -16.4 | -14.6 | -16.2 | -27.4 | -30.1 | -30.2 | -26.9 | -26.4 | -24.6 | -26.7 | -30.1 | -26.2 | -29.4 | -38.6 | -36.6 | -30 | -27.4 | -29.6 | -24.4 | -19.7 | -19.9 | -19.3 | -24.1 |
| Gennaio | 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) | 8.5 | 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 | 9.1 | 9.1 | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.5 |
| Sunshine duration (h) | 7.2 | 7.2 | 7.2 | 7.3 | 6.3 | 7.3 | 7 | 5.6 | 7.4 | 2 | 7.5 | 0.7 | 7.5 | 7.6 | 7.6 | 7.6 | 7.5 | 7.7 | 7.8 | 7.8 | 7.5 | 7.9 | 7.9 | 7.9 | 8 | 8 | 8.1 | 8.1 | 8.2 | 8.1 | 8.3 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Precipitation hours | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
| Wind speed (m/s) | 8.2 | 10.6 | 10.4 | 11.3 | 10.5 | 12.8 | 14.3 | 11.1 | 15.2 | 11.9 | 18.8 | 26.6 | 8.2 | 10.5 | 10 | 11.3 | 13.8 | 18.7 | 16.9 | 11.1 | 11.3 | 19.4 | 13.2 | 12 | 12.2 | 13 | 11.3 | 13.4 | 9.3 | 18.4 | 23.6 |
In January 2023, the highest daytime temperature in Ulan Bator was -1.3°C.
While the minimum temperature at night dropped to -38.5°C.
The average nighttime and daytime temperatures during January in Ulan Bator are -26.7°C and -13.9°C respectively.
The precipitation sum in January is about 1 mm.