Average temperature in January is -19.8 °C
Average daytime temperature is -13 °C
Average night temperature is -25.4 °C
Absolute maximum temperature: -4.6 °C
Absolute minimum temperature: -39.9 °C
Number of sunny days: 29
Number of rainy days:
Number of snow days: 2
Precipitation sum: 1 mm
* Weather data for Ulaan-Ereg 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 | -16.5 | -16.9 | -18.1 | -14.3 | -11.6 | -9.7 | -6.6 | -9 | -8.8 | -5.3 | -4.6 | -9.5 | -19.4 | -19.1 | -16.4 | -12.9 | -13.2 | -13.4 | -18.8 | -15.8 | -15.8 | -23.4 | -23.1 | -18 | -13.3 | -12.4 | -11.2 | -5 | -6.6 | -6.3 | -8.9 |
| Apparent max temperature | -21.8 | -22.2 | -22.6 | -19.7 | -16.7 | -16.7 | -12.3 | -13.5 | -14 | -10 | -8.9 | -16.3 | -24.2 | -25.9 | -22.8 | -17.7 | -20.1 | -19.6 | -25.4 | -21.5 | -20.2 | -29.9 | -29.5 | -24.4 | -18.2 | -19.3 | -17.5 | -12 | -12.2 | -12.7 | -16.8 |
| Mean temperature | -24.2 | -23.9 | -24.9 | -20.2 | -17.8 | -14.5 | -13.8 | -15.8 | -13.4 | -10.7 | -11 | -16.3 | -25.6 | -24.7 | -21.9 | -22.7 | -18.5 | -19.8 | -23.4 | -24.7 | -23.5 | -30.9 | -29 | -23.9 | -23.5 | -19.5 | -16.8 | -14 | -16.1 | -14.2 | -15.5 |
| Apparent mean temperature | -35.2 | -33.8 | -37.3 | -32.4 | -27.3 | -24.4 | -26 | -25.3 | -24.6 | -20.7 | -21.7 | -29.8 | -35.4 | -36.2 | -33.8 | -34 | -31.7 | -31.8 | -32.4 | -36.1 | -35.2 | -46.4 | -42.4 | -37.4 | -35.1 | -31.6 | -29 | -24.7 | -27.4 | -25.8 | -27.8 |
| Minimum temperature | -29.6 | -28.2 | -31.5 | -26.5 | -21.5 | -18 | -20.6 | -20 | -18.5 | -14.6 | -16.1 | -24.4 | -29.2 | -29.9 | -27.7 | -28 | -25.2 | -25.3 | -26.2 | -30 | -29.7 | -39.9 | -36.7 | -31.8 | -29 | -25.5 | -22.4 | -18.5 | -22 | -20.4 | -21.7 |
| Apparent min temperature | -29.9 | -29.5 | -30.3 | -26.1 | -23.3 | -20.8 | -19.3 | -21 | -19.1 | -16.1 | -16.1 | -22.9 | -31.2 | -31.1 | -28 | -28.4 | -25 | -25.7 | -29.7 | -30.7 | -29 | -37 | -35.4 | -29.6 | -29.1 | -26.1 | -23.3 | -20.1 | -21.7 | -19.9 | -21.9 |
| 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) | 8.6 | 8.6 | 8.6 | 8.6 | 8.7 | 8.7 | 8.7 | 8.7 | 8.8 | 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 | 9.6 |
| Sunshine duration (h) | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 7.5 | 5.5 | 7.1 | 6.1 | 7 | 7.6 | 6.4 | 7.7 | 7.7 | 7.7 | 7.8 | 7.8 | 7.8 | 7.8 | 7.6 | 7.9 | 7.9 | 8 | 8 | 8 | 8.1 | 8.1 | 8.2 | 8.2 | 8 | 8.2 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 13.4 | 15.3 | 13.8 | 17.4 | 16.1 | 24.3 | 17.3 | 13.7 | 17.6 | 18.2 | 14.2 | 28.8 | 14.5 | 22.1 | 21.9 | 15.3 | 23.7 | 21.3 | 19.3 | 15.3 | 16.3 | 17.6 | 18.1 | 18.8 | 15.4 | 21.4 | 19.5 | 26 | 18 | 19.5 | 31.2 |
In January 2023, the highest daytime temperature in Ulaan-Ereg was -4.6°C.
While the minimum temperature at night dropped to -39.9°C.
The average nighttime and daytime temperatures during January in Ulaan-Ereg are -25.4°C and -13°C respectively.
The precipitation sum in January is about 1 mm.