Average temperature in January is -15.5 °C
Average daytime temperature is -10.1 °C
Average night temperature is -21.2 °C
Absolute maximum temperature: 4 °C
Absolute minimum temperature: -37 °C
Number of sunny days: 27
Number of rainy days: 1
Number of snow days: 3
Precipitation sum: 2 mm
* Weather data for Ulaanhudag 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 | -14 | -13 | -12.9 | -9.3 | -9.3 | -3.9 | -0.4 | -2.9 | 0 | 1.5 | 4 | -15.1 | -19.3 | -14.4 | -9 | -12.3 | -6.8 | -10.7 | -15.7 | -10.6 | -13.1 | -27.4 | -22.9 | -12.7 | -15.2 | -14.4 | -7.4 | -1.7 | -1.3 | -2.6 | -10.2 |
| Apparent max temperature | -18 | -17.1 | -18.1 | -13.3 | -13.8 | -9.3 | -6.5 | -7.1 | -3.5 | -3.5 | -2.1 | -22.2 | -24.6 | -21.3 | -15.5 | -18.9 | -12.9 | -18.1 | -22.1 | -17.6 | -18.3 | -33.5 | -29.2 | -17.1 | -20.4 | -21.1 | -14.1 | -9.3 | -6.4 | -9.1 | -15.9 |
| Mean temperature | -20 | -18.1 | -18.8 | -15.5 | -13.2 | -9 | -7.6 | -9.5 | -7.8 | -6.2 | -7.2 | -21.2 | -22.1 | -18.9 | -14.2 | -16.5 | -13 | -16.6 | -18.8 | -16 | -20.5 | -29.8 | -29 | -20.6 | -21.4 | -18 | -11.5 | -8.2 | -8.6 | -8.9 | -14.9 |
| Apparent mean temperature | -29.4 | -29.1 | -30.8 | -27.2 | -23.6 | -19.3 | -22.2 | -22.1 | -17.1 | -17.1 | -21.6 | -32.2 | -30.1 | -32.8 | -26 | -25.3 | -25.4 | -27.1 | -30.3 | -28.2 | -35.2 | -37.4 | -43.3 | -33.7 | -33.2 | -29.5 | -24 | -17.2 | -19.6 | -20.5 | -23.7 |
| Minimum temperature | -23.8 | -24.3 | -24.5 | -22.4 | -18.3 | -13.6 | -17 | -17 | -11.8 | -11.4 | -15.2 | -26.9 | -24.7 | -26.2 | -20.2 | -19.2 | -19.7 | -22.7 | -24.6 | -21.6 | -29.3 | -32.1 | -37 | -27.9 | -26.7 | -23.7 | -17.3 | -12 | -13.8 | -13.8 | -18.2 |
| Apparent min temperature | -24.8 | -22.7 | -24.2 | -20.4 | -18.9 | -14.5 | -12.9 | -14.4 | -12.9 | -11.5 | -12.4 | -27.3 | -27.3 | -25.2 | -20.4 | -22.7 | -19.4 | -23 | -24.7 | -22.2 | -26.1 | -35.4 | -35.3 | -26 | -27.1 | -24.5 | -17.8 | -14.3 | -13.8 | -15.3 | -20.6 |
| 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) | 8.5 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.7 | 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 | 9.1 | 9.2 | 9.2 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 |
| Sunshine duration (h) | 7.3 | 7.3 | 7.3 | 6.9 | 6.6 | 7.4 | 7.4 | 7.4 | 7.5 | 6.4 | 7.6 | 0.2 | 7.6 | 7.6 | 7.7 | 7.7 | 6.7 | 5.6 | 7.8 | 7.6 | 7.7 | 7.9 | 8 | 6.8 | 7.6 | 8.2 | 8.2 | 8.3 | 8.3 | 8.2 | 8.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 1.1 | 0 | 0 | 0 | 0 | 0 | 0.4 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 9 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 13.2 | 11.6 | 17.2 | 13.6 | 18 | 16 | 21.8 | 14.6 | 17.3 | 15.8 | 21.3 | 25.7 | 10.2 | 22.2 | 21.7 | 22 | 21.9 | 27.4 | 20.7 | 24.8 | 15.9 | 16.2 | 21.1 | 15 | 17.3 | 22.3 | 21.8 | 26.7 | 14.3 | 22.4 | 22.6 |
In January 2023, the highest daytime temperature in Ulaanhudag was 4°C.
While the minimum temperature at night dropped to -37°C.
The average nighttime and daytime temperatures during January in Ulaanhudag are -21.2°C and -10.1°C respectively.
The precipitation sum in January is about 2 mm.