Average temperature in January is -18.3 °C
Average daytime temperature is -14.1 °C
Average night temperature is -24 °C
Absolute maximum temperature: -1.7 °C
Absolute minimum temperature: -38 °C
Number of sunny days: 25
Number of rainy days:
Number of snow days: 6
Precipitation sum: 2 mm
* Weather data for Bayan 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 | -15.4 | -13.7 | -15.6 | -11.4 | -12 | -5.5 | -5.7 | -6.9 | -3.7 | -1.7 | -3 | -23.9 | -24.5 | -20.8 | -16.7 | -18.4 | -14.7 | -17 | -17.9 | -16.5 | -18.5 | -27 | -22.5 | -15.1 | -18.1 | -18.6 | -12.4 | -9.3 | -7.9 | -10 | -11.8 |
| Apparent max temperature | -19.4 | -18.3 | -20.2 | -17.2 | -17.8 | -11.5 | -11.2 | -11.1 | -8.7 | -7.3 | -7.9 | -30.2 | -30.6 | -27.2 | -22.5 | -25.3 | -22.1 | -24.2 | -24.1 | -22.9 | -24.6 | -33.2 | -28.2 | -20.9 | -24.4 | -25.3 | -18.6 | -14.9 | -13.5 | -16.2 | -16.7 |
| Mean temperature | -18.1 | -20 | -18.9 | -15.7 | -14.9 | -8.8 | -9.9 | -9.9 | -7.4 | -5.3 | -10.7 | -29.6 | -28.3 | -23.2 | -20 | -21.5 | -18.4 | -21.6 | -20.7 | -19.9 | -23.4 | -32.8 | -26.7 | -20.2 | -24.6 | -21.5 | -15.5 | -15 | -13.9 | -15.7 | -15.6 |
| Apparent mean temperature | -25.6 | -30.2 | -30.4 | -27 | -23.7 | -20 | -21 | -18.7 | -22.1 | -14.7 | -30 | -41.9 | -41.4 | -32.2 | -29 | -30.6 | -28.3 | -33.1 | -34.8 | -29.1 | -38.2 | -44.6 | -43.9 | -30.8 | -36.9 | -37.5 | -25.8 | -26.6 | -25.8 | -29.7 | -27.9 |
| Minimum temperature | -21.2 | -24 | -24.4 | -20.9 | -17.9 | -13.5 | -15.8 | -13 | -15.7 | -9 | -23.9 | -35.3 | -35.1 | -26 | -23 | -24.9 | -21.5 | -27.4 | -28.8 | -23.5 | -32.1 | -38 | -37.7 | -24.6 | -30.3 | -30.8 | -19.5 | -20 | -19.5 | -23.3 | -22 |
| Apparent min temperature | -22.7 | -25.7 | -24.2 | -21.5 | -21.3 | -14.7 | -15.2 | -15 | -12.9 | -10.7 | -16.3 | -35.9 | -34.4 | -29.9 | -26.2 | -27.9 | -25.4 | -28.2 | -26.8 | -25.9 | -29.1 | -39 | -32.5 | -26 | -30.9 | -28.1 | -21.8 | -20.9 | -19.7 | -21.7 | -21 |
| 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) | 8.2 | 8.3 | 8.3 | 8.3 | 8.3 | 8.4 | 8.4 | 8.4 | 8.4 | 8.5 | 8.5 | 8.5 | 8.6 | 8.6 | 8.6 | 8.7 | 8.7 | 8.7 | 8.8 | 8.8 | 8.9 | 8.9 | 8.9 | 9 | 9 | 9.1 | 9.1 | 9.2 | 9.2 | 9.3 | 9.3 |
| Sunshine duration (h) | 6.9 | 6.9 | 6.9 | 7 | 5.4 | 7 | 7 | 7 | 7 | 6.8 | 0.8 | 7.1 | 7.2 | 7.3 | 7.1 | 7.3 | 6.9 | 7 | 7.4 | 7.1 | 7 | 7.5 | 7.7 | 6.8 | 7.8 | 7.9 | 7.6 | 8 | 8 | 7.8 | 8.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.9 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.2 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 9.7 | 16.6 | 14.1 | 17.3 | 21.3 | 19.2 | 21.3 | 14.2 | 17.8 | 18.9 | 19.8 | 17.2 | 15.1 | 24.5 | 22.6 | 23 | 29.2 | 28.7 | 17.2 | 22.5 | 16.4 | 16.3 | 14 | 16.3 | 18.8 | 25.6 | 24.5 | 18 | 18.4 | 21.2 | 13.7 |
In January 2023, the highest daytime temperature in Bayan was -1.7°C.
While the minimum temperature at night dropped to -38°C.
The average nighttime and daytime temperatures during January in Bayan are -24°C and -14.1°C respectively.
The precipitation sum in January is about 2 mm.