Average temperature in December is -18 °C
Average daytime temperature is -14.3 °C
Average night temperature is -22.1 °C
Absolute maximum temperature: -2.7 °C
Absolute minimum temperature: -31.1 °C
Number of sunny days: 21
Number of rainy days:
Number of snow days: 10
Precipitation sum: 8 mm
* Weather data for Haylaastay Mongolia is based on climate observations for 2023 year
| Dicembre (°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 | -9.7 | -9.5 | -6.6 | -5.7 | -2.7 | -11.3 | -3.3 | -11.2 | -17.4 | -16.4 | -18.7 | -18.5 | -20.3 | -19.3 | -20.9 | -22.6 | -24 | -19.8 | -22.2 | -21.3 | -17.5 | -20.7 | -20 | -14.4 | -6.7 | -14.3 | -12.3 | -9.8 | -8.7 | -10.6 | -7.5 |
| Apparent max temperature | -15.2 | -16.1 | -12.9 | -13.3 | -8.2 | -17.1 | -8.9 | -16.7 | -23.2 | -21 | -24.1 | -23.8 | -26.6 | -25.9 | -25.9 | -28.6 | -30.3 | -25.5 | -28.1 | -27.6 | -23.1 | -27.9 | -26.8 | -20.8 | -11.5 | -20.3 | -19.3 | -16.9 | -13 | -16.2 | -14.9 |
| Mean temperature | -14.8 | -11.3 | -10.6 | -8.1 | -9.3 | -13.8 | -7.8 | -17.4 | -22.7 | -20.2 | -21.3 | -22.1 | -22.2 | -20.9 | -25.1 | -26.7 | -27.2 | -24.2 | -27.4 | -25.2 | -22.6 | -23.6 | -22.7 | -16.8 | -13.7 | -16.3 | -14.8 | -12.3 | -11.1 | -14.6 | -11.9 |
| Apparent mean temperature | -25.3 | -23.1 | -19.5 | -20 | -22.1 | -22.3 | -19.5 | -28.4 | -31.8 | -30.9 | -28.6 | -29.7 | -29.9 | -28.3 | -35.8 | -35.7 | -36 | -33.3 | -36.9 | -34.2 | -32.1 | -32.6 | -33 | -29.3 | -27 | -28.2 | -23.1 | -23.1 | -19.9 | -24 | -21.9 |
| Minimum temperature | -19 | -17.9 | -14.2 | -14.6 | -16 | -16.4 | -14.4 | -22.9 | -26 | -25.6 | -23.7 | -24.3 | -23.9 | -22.1 | -30.3 | -30.4 | -29.5 | -27.7 | -31.1 | -28.5 | -26 | -25.5 | -25.8 | -23 | -21.6 | -22.5 | -16.7 | -16.5 | -14.5 | -18.9 | -16.4 |
| Apparent min temperature | -20.8 | -18.5 | -16.6 | -15 | -15.3 | -19.5 | -13.9 | -23.1 | -28.3 | -25.1 | -26.5 | -27.4 | -28.1 | -27.3 | -30.5 | -32.8 | -32.9 | -29.6 | -33 | -31.1 | -28.9 | -30.4 | -29.5 | -23.7 | -19.6 | -22.7 | -21.7 | -19.3 | -16 | -20.1 | -18.7 |
| Dicembre | 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) | 8.8 | 8.8 | 8.8 | 8.8 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 |
| Sunshine duration (h) | 4.1 | 7.6 | 7.6 | 7.5 | 7.5 | 7.5 | 6 | 6.3 | 7.4 | 7.4 | 4.2 | 7 | 5.5 | 0.3 | 1 | 7.3 | 7.3 | 3.5 | 7.2 | 7 | 7.2 | 7.2 | 7.2 | 7.2 | 7 | 7.1 | 4.9 | 7.2 | 6 | 0.3 | 3.7 |
| Precipitation (mm) | 0.2 | 0 | 0 | 0 | 0.4 | 0 | 0.7 | 0.2 | 0 | 0.2 | 1 | 0 | 0 | 2.3 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 | 0.9 | 0 |
| Precipitation hours | 2 | 0 | 0 | 0 | 2 | 0 | 5 | 2 | 0 | 2 | 10 | 0 | 0 | 22 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 6 | 0 |
| Wind speed (m/s) | 29 | 35.4 | 35.6 | 33.6 | 23.5 | 21.1 | 30.2 | 21.9 | 15.5 | 11.6 | 11.2 | 12.9 | 16.5 | 21.7 | 11.9 | 17.1 | 18.7 | 13 | 14.4 | 20.1 | 20.8 | 22.2 | 22.7 | 30.1 | 30.1 | 25.5 | 29.5 | 29.2 | 16.2 | 17.4 | 30.1 |
In December 2023, the highest daytime temperature in Haylaastay was -2.7°C.
While the minimum temperature at night dropped to -31.1°C.
The average nighttime and daytime temperatures during December in Haylaastay are -22.1°C and -14.3°C respectively.
The precipitation sum in December is about 8 mm.