Average temperature in December is -9.4 °C
Average daytime temperature is -5.6 °C
Average night temperature is -13.5 °C
Absolute maximum temperature: 4.7 °C
Absolute minimum temperature: -25.3 °C
Number of sunny days: 24
Number of rainy days: 1
Number of snow days: 6
Precipitation sum: 5 mm
* Weather data for Bayan-Ovoo Mongolia is based on climate observations for 2023 year
| December (°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 | -3 | -1.7 | 2 | 4.7 | -0.2 | 4.6 | 3.6 | -3 | -2.7 | -4.8 | -3.5 | -5.5 | -12.5 | -17.4 | -17 | -11.7 | -13.4 | -15 | -15.8 | -11.7 | -14.8 | -9.3 | -4 | -3.4 | -7 | -0.7 | -2.2 | -2.5 | -1.7 | -2.1 | -3.2 |
| Apparent max temperature | -8.2 | -7.7 | -5.4 | -1.7 | -7.3 | -1.4 | -4.2 | -11.8 | -10 | -9.4 | -8 | -11.3 | -20.3 | -25.9 | -22.1 | -16.8 | -21.2 | -19.7 | -21 | -17.1 | -21.6 | -14.8 | -8.8 | -8.7 | -11.3 | -5.6 | -6.7 | -9.1 | -6.2 | -7.9 | -10.2 |
| Mean temperature | -5.5 | -5.7 | -0.1 | -2.2 | -3.8 | 1.9 | -2.6 | -6.2 | -6.9 | -7.7 | -7.2 | -9.8 | -17.3 | -21.8 | -19.2 | -16.1 | -17.6 | -18.5 | -19.2 | -15.9 | -17 | -12.6 | -7.6 | -8.3 | -9.4 | -4.7 | -5 | -7.2 | -6 | -7.1 | -6.4 |
| Apparent mean temperature | -11.8 | -13.8 | -10.8 | -16.8 | -16.3 | -7.5 | -15.7 | -15.5 | -16 | -16.6 | -15.3 | -20.2 | -29.8 | -30.8 | -28.8 | -26.3 | -27.3 | -27.4 | -27.2 | -26.1 | -25.5 | -23.5 | -18.8 | -19.8 | -20.2 | -15.7 | -14.2 | -15.4 | -16.4 | -16.9 | -17.6 |
| Minimum temperature | -7.1 | -8.3 | -3.9 | -7.3 | -8.1 | -0.9 | -8.1 | -8 | -10 | -10.7 | -10.4 | -13.3 | -24 | -25.3 | -23.5 | -21.3 | -22 | -22.3 | -21.9 | -20.2 | -19.4 | -17.1 | -13.3 | -14.3 | -14.3 | -10.3 | -9.3 | -9.7 | -10.8 | -10.7 | -11.5 |
| Apparent min temperature | -10.1 | -11.2 | -7 | -9.7 | -11.8 | -4.2 | -11 | -13.9 | -13.4 | -13.4 | -11.9 | -16 | -25.5 | -28.2 | -24.5 | -21.1 | -24.5 | -24 | -24.4 | -21.1 | -23.3 | -18.6 | -12.4 | -13.1 | -14.4 | -9.3 | -9.5 | -13.2 | -11.2 | -12.8 | -12.9 |
| December | 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) | 9.1 | 9.1 | 9 | 9 | 9 | 9 | 9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.8 | 8.9 | 8.9 |
| Sunshine duration (h) | 8 | 7.9 | 7.2 | 6.4 | 7.5 | 6 | 4.3 | 7.8 | 5.3 | 6.7 | 6.2 | 5.1 | 2 | 7.7 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.5 | 2.8 | 7.5 | 7.6 | 7.6 | 7.6 | 7.5 | 7.6 | 5.8 | 7.6 | 7.5 | 7 |
| Precipitation (mm) | 0 | 0 | 0 | 0.3 | 0 | 0 | 0.1 | 0 | 0.7 | 0.2 | 0 | 1.8 | 1.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 0 | 0 | 3 | 0 | 0 | 1 | 0 | 5 | 2 | 0 | 10 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 8.6 | 19.6 | 32.1 | 44.5 | 36.5 | 25.7 | 49.2 | 34.7 | 24.9 | 24.1 | 13.5 | 27.2 | 41.6 | 34.7 | 13.5 | 13.2 | 29.5 | 15.4 | 13.8 | 15.3 | 22.4 | 22.3 | 12.6 | 12.1 | 14.3 | 12.8 | 8.4 | 24.2 | 16.3 | 22.8 | 23.7 |
In December 2023, the highest daytime temperature in Bayan-Ovoo was 4.7°C.
While the minimum temperature at night dropped to -25.3°C.
The average nighttime and daytime temperatures during December in Bayan-Ovoo are -13.5°C and -5.6°C respectively.
The precipitation sum in December is about 5 mm.