Average temperature in January is -13.4 °C
Average daytime temperature is -8.1 °C
Average night temperature is -18.1 °C
Absolute maximum temperature: 5 °C
Absolute minimum temperature: -29.9 °C
Number of sunny days: 28
Number of rainy days:
Number of snow days: 3
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 | -11.8 | -9.8 | -10.1 | -6.2 | -6.2 | -0.9 | 2.1 | -2.1 | 1.4 | 4.2 | 5 | -13.7 | -17.9 | -12.3 | -7.1 | -10.8 | -6.9 | -8.8 | -13.8 | -8.9 | -11.1 | -25.2 | -21.1 | -12.2 | -12.2 | -12.6 | -4.6 | 0 | -0.7 | -1.7 | -7.9 |
| Apparent max temperature | -16 | -13.8 | -15 | -11 | -12 | -5.8 | -3.6 | -6.7 | -3.7 | -1.5 | -0.8 | -19.9 | -23.3 | -18.9 | -13.3 | -17.3 | -12.6 | -16.3 | -19.7 | -16.3 | -17.3 | -30.6 | -26.8 | -16.7 | -18.1 | -19.5 | -10.8 | -7.2 | -5.7 | -7.6 | -13.5 |
| Mean temperature | -16.3 | -15 | -15.3 | -11.8 | -10.8 | -6.5 | -5.6 | -7.7 | -4.1 | -1.9 | -5.9 | -18.8 | -21.2 | -17.4 | -12.8 | -15.5 | -13 | -15 | -17.5 | -14.9 | -18.9 | -27.7 | -24.1 | -16.8 | -17.6 | -16.3 | -9.9 | -6.9 | -8.2 | -8.8 | -12.7 |
| Apparent mean temperature | -23.5 | -23.9 | -23.1 | -22.5 | -19.7 | -19.2 | -15.7 | -17.3 | -15.7 | -11 | -19.6 | -27.9 | -29.1 | -29.1 | -24.1 | -24.5 | -25.4 | -26.8 | -27.4 | -23.9 | -33.3 | -34.4 | -35.4 | -30 | -27.4 | -27.6 | -22.3 | -16.7 | -18 | -19.6 | -21.6 |
| Minimum temperature | -18.8 | -19 | -18.4 | -17.3 | -14 | -13.3 | -10.9 | -12.4 | -10.2 | -5.6 | -14.5 | -22.4 | -24.1 | -22.6 | -17.8 | -18.4 | -18.7 | -20.6 | -21.1 | -17.6 | -27.4 | -29.2 | -29.9 | -24.5 | -21.2 | -21.4 | -15.2 | -10.9 | -12 | -14.3 | -16.4 |
| Apparent min temperature | -21 | -19.7 | -20.3 | -17 | -16.8 | -12.2 | -11 | -12.7 | -9.7 | -7.8 | -11.3 | -24.5 | -26.8 | -23.8 | -19.1 | -21.6 | -19.3 | -22.2 | -23.7 | -21.1 | -25 | -32.9 | -30.3 | -21.9 | -23.2 | -23 | -16.2 | -13.1 | -13.6 | -14.6 | -18.1 |
| 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 | 8.5 | 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 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.5 | 9.5 |
| Sunshine duration (h) | 7.3 | 7.3 | 7.3 | 7.3 | 7.3 | 7.4 | 7.4 | 7.4 | 7.5 | 6.1 | 7.5 | 0.2 | 7.6 | 7.6 | 7.6 | 7.7 | 7.6 | 6.2 | 7.8 | 7.8 | 7.7 | 7.5 | 8 | 6.8 | 7.7 | 8.1 | 8.2 | 8.2 | 8.3 | 8.3 | 8.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.7 | 0.8 | 0 | 0 | 0 | 0 | 0 | 0 | 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 | 4 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 10.7 | 12 | 12.9 | 14.3 | 22.3 | 22.3 | 23.2 | 15.2 | 19.5 | 28.6 | 27.9 | 19.2 | 14.7 | 19.5 | 20 | 20.7 | 29.2 | 33.6 | 18.7 | 27.2 | 18.4 | 12.3 | 18.9 | 9.7 | 15.2 | 22.1 | 23.4 | 27.6 | 18.6 | 20.1 | 16.8 |
In January 2023, the highest daytime temperature in Bayan was 5°C.
While the minimum temperature at night dropped to -29.9°C.
The average nighttime and daytime temperatures during January in Bayan are -18.1°C and -8.1°C respectively.
The precipitation sum in January is about 2 mm.