Average temperature in January is -19.6 °C
Average daytime temperature is -15 °C
Average night temperature is -24.5 °C
Absolute maximum temperature: -3.3 °C
Absolute minimum temperature: -35.4 °C
Number of sunny days: 26
Number of rainy days:
Number of snow days: 5
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 | -18.4 | -18.6 | -17.8 | -15.9 | -13.8 | -12.5 | -8.9 | -9.5 | -8 | -4.8 | -3.3 | -10.2 | -21.8 | -21.9 | -20 | -15.9 | -15.3 | -15.8 | -21.9 | -18.6 | -17.6 | -25.6 | -25.3 | -20.9 | -16.1 | -14.2 | -13.8 | -7.7 | -8.9 | -10.1 | -10.9 |
| Apparent max temperature | -23.9 | -23.8 | -22.2 | -22.2 | -18.9 | -18.6 | -15.3 | -14.5 | -14.1 | -11.3 | -8.5 | -17.1 | -27 | -29 | -26.2 | -21.1 | -23.2 | -20.5 | -29 | -24.1 | -22.3 | -31.7 | -31.9 | -28.4 | -21.7 | -21.4 | -19.7 | -13.6 | -13.7 | -15.3 | -18.5 |
| Mean temperature | -23.2 | -23.8 | -22.3 | -19.1 | -18.1 | -16 | -11.6 | -13 | -11 | -9.4 | -7.8 | -16.8 | -26.6 | -26.5 | -22.9 | -22.6 | -19.4 | -20.2 | -24.7 | -22.4 | -24.5 | -30.6 | -30.1 | -24.9 | -21.6 | -20.3 | -18.3 | -13.8 | -14.6 | -15.5 | -17.2 |
| Apparent mean temperature | -32.6 | -34.4 | -33.8 | -30.2 | -27.1 | -26.1 | -23.4 | -26.2 | -21.6 | -18.9 | -18.1 | -30.6 | -36.7 | -36.8 | -34.8 | -32.9 | -32.3 | -32.4 | -33.5 | -32.7 | -36.7 | -41.3 | -41.3 | -38.9 | -32.4 | -30.6 | -30.6 | -25.8 | -24.2 | -26.1 | -30.7 |
| Minimum temperature | -26.5 | -28 | -27.4 | -24.2 | -21 | -20.5 | -17.5 | -19.8 | -15.1 | -12.6 | -12.7 | -24.2 | -30.3 | -30.4 | -28.8 | -26.7 | -26 | -26 | -26.5 | -26.4 | -30.7 | -35.4 | -35.2 | -32 | -25.9 | -23.8 | -24.4 | -19.2 | -18.4 | -20 | -24.8 |
| Apparent min temperature | -29 | -29.6 | -27.6 | -25.5 | -23.7 | -22 | -17.7 | -18.5 | -17.7 | -15.6 | -13.6 | -24.3 | -32.5 | -33 | -29.1 | -28.4 | -26.5 | -25.7 | -31.5 | -28.3 | -30.1 | -36.5 | -36.4 | -31.7 | -27.4 | -26.9 | -24.5 | -19.8 | -20.3 | -21.1 | -23.6 |
| 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) | 8.6 | 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 | 8.9 | 9 | 9 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.2 | 9.3 | 9.3 | 9.4 | 9.4 | 9.5 | 9.5 | 9.6 |
| Sunshine duration (h) | 7.3 | 7.4 | 7.4 | 7.4 | 7.4 | 7.4 | 1.8 | 7.4 | 7.5 | 6.8 | 7.5 | 6.5 | 7.6 | 7.6 | 7.7 | 7.7 | 7.7 | 1.2 | 7.8 | 6.8 | 7 | 7.9 | 8 | 8.1 | 7.9 | 8.2 | 8.2 | 8.3 | 8.3 | 8.4 | 7.1 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | 0.3 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
| Wind speed (m/s) | 14.6 | 17.4 | 16.2 | 20.6 | 17.9 | 18.3 | 26.2 | 17.6 | 27.3 | 24.5 | 23.1 | 32 | 16.1 | 22.7 | 18.2 | 17.2 | 28.4 | 19.1 | 26.6 | 19 | 16.3 | 14.8 | 18.9 | 25 | 16.9 | 23.5 | 19 | 25.1 | 18.1 | 16.4 | 34 |
In January 2023, the highest daytime temperature in Bayan was -3.3°C.
While the minimum temperature at night dropped to -35.4°C.
The average nighttime and daytime temperatures during January in Bayan are -24.5°C and -15°C respectively.
The precipitation sum in January is about 2 mm.