Average temperature in January is -13.7 °C
Average daytime temperature is -9.5 °C
Average night temperature is -18.5 °C
Absolute maximum temperature: 1.8 °C
Absolute minimum temperature: -30.4 °C
Number of sunny days: 24
Number of rainy days:
Number of snow days: 7
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 | -11.3 | -10.4 | -8.8 | -6 | -7.8 | -0.7 | 0.3 | -0.2 | 1.8 | 1.2 | -0.2 | -17.8 | -19.7 | -16.6 | -11.8 | -16.4 | -10.1 | -11.7 | -12 | -12.7 | -13 | -23.3 | -14.9 | -10 | -16 | -15.4 | -6 | -7 | -4.7 | -6.9 | -5.8 |
| Apparent max temperature | -16.3 | -15.5 | -13.9 | -12.6 | -15.2 | -8.2 | -3.9 | -4.6 | -5.8 | -5.6 | -7.3 | -23.9 | -25 | -21.6 | -18.5 | -21.1 | -15.6 | -16.4 | -17.6 | -17.4 | -18.3 | -29.9 | -23.6 | -16.5 | -20.6 | -20.5 | -11.1 | -12 | -10.1 | -11.8 | -10.2 |
| Mean temperature | -15.2 | -15.5 | -12.5 | -9.6 | -10.6 | -4 | -5.3 | -4.6 | -1.3 | -1.8 | -7.1 | -21.5 | -23.1 | -20 | -16 | -18.8 | -15.3 | -15.8 | -15 | -17 | -18.7 | -26.3 | -19.5 | -15.9 | -19.8 | -18.4 | -11.4 | -11.5 | -9.3 | -11.2 | -12.1 |
| Apparent mean temperature | -25.1 | -24.7 | -26.3 | -20.7 | -20.4 | -15.5 | -15.3 | -16.2 | -12.3 | -11.9 | -24.2 | -32.1 | -34.3 | -30.6 | -27.1 | -27.4 | -24.4 | -25.1 | -27.2 | -26.5 | -29.6 | -35 | -36.8 | -27 | -28.5 | -30.3 | -23.8 | -20.6 | -21.5 | -21.8 | -23.2 |
| Minimum temperature | -19.2 | -19.1 | -20.4 | -12.8 | -14.6 | -8.2 | -9.2 | -10 | -4.7 | -4.5 | -18.4 | -26.1 | -28.4 | -24.4 | -20.1 | -21.1 | -18.6 | -19.3 | -21.9 | -20.1 | -25.2 | -28.8 | -30.4 | -21.9 | -22.7 | -24.7 | -16.7 | -15 | -15.5 | -15.1 | -16.5 |
| Apparent min temperature | -20.5 | -20.8 | -19.2 | -16.6 | -17.9 | -11.2 | -10.7 | -11.1 | -9 | -9.8 | -13.4 | -27.2 | -29.2 | -25.9 | -22.1 | -24.8 | -21.4 | -21.1 | -21 | -22.5 | -24.2 | -31.9 | -27.9 | -21.6 | -24.8 | -24.6 | -17.1 | -17.2 | -15.5 | -16.7 | -17.6 |
| 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 | 8.7 | 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 | 9.3 | 9.4 | 9.4 | 9.5 | 9.5 | 9.6 |
| Sunshine duration (h) | 7.4 | 3.2 | 6.1 | 7 | 7.4 | 7 | 7.5 | 7.5 | 7.5 | 7.6 | 5.4 | 5 | 7.7 | 7.7 | 7.7 | 7.4 | 2.7 | 6.3 | 6.6 | 7.8 | 6.3 | 7.9 | 8 | 8 | 8 | 8.2 | 8.2 | 8.3 | 8.3 | 8.3 | 8.4 |
| Precipitation (mm) | 0 | 0 | 0 | 0.5 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0.7 | 0.1 | 0 | 0 | 0 | 0 | 0.1 | 0 | 0.1 | 0 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 14.1 | 14.3 | 29.1 | 27.8 | 34.1 | 29.3 | 18.9 | 30.5 | 34.2 | 41.6 | 43.3 | 19.9 | 18.7 | 20.2 | 21.9 | 33 | 32 | 16.4 | 25.9 | 16.6 | 18.4 | 20.6 | 37.1 | 25.7 | 14.1 | 23.4 | 21.4 | 18.5 | 21.9 | 19.2 | 18.5 |
In January 2023, the highest daytime temperature in Bayan was 1.8°C.
While the minimum temperature at night dropped to -30.4°C.
The average nighttime and daytime temperatures during January in Bayan are -18.5°C and -9.5°C respectively.
The precipitation sum in January is about 2 mm.