Average temperature in December is -4.4 °C
Average daytime temperature is -0.2 °C
Average night temperature is -9 °C
Absolute maximum temperature: 5.1 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 18
Number of rainy days: 1
Number of snow days: 12
Precipitation sum: 45 mm
* Weather data for Big Sky United States 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 | -5.6 | -6.5 | -4.3 | 0.6 | 4.7 | 5.1 | 1.7 | -7.4 | -9 | -3.3 | -2 | -2.9 | 1.3 | 2.6 | 0.8 | 2.9 | 0.8 | 4.6 | 3.2 | 2.9 | 2.1 | 1.6 | -0.1 | -8.1 | -3.6 | -1.1 | 0.5 | 2.5 | 2.8 | 3.7 | 2.1 |
| Apparent max temperature | -10.5 | -11.9 | -8.5 | -3 | 1.2 | 0.5 | -2.6 | -11.6 | -13.7 | -7 | -5.2 | -6.4 | -2.5 | -1.6 | -2.8 | -0.8 | -3 | 0.3 | -0.9 | -0.9 | -1.4 | -2.4 | -4.4 | -12.2 | -7.8 | -5.5 | -3.4 | -1.7 | -0.6 | 0.4 | -1.7 |
| Mean temperature | -9.5 | -9.9 | -9.5 | -1.8 | 1.3 | 1.6 | -1 | -8.9 | -12.9 | -7.9 | -5.2 | -7 | -6.7 | -3 | -0.7 | -3.6 | -1.7 | -3 | -1.4 | -0.6 | -3 | -2.2 | -3.8 | -11.7 | -7.6 | -4.6 | -4.4 | -0.6 | -2.6 | -2.3 | -0.7 |
| Apparent mean temperature | -20.8 | -19.8 | -19.3 | -8.9 | -5.1 | -5.1 | -9.8 | -16.3 | -23 | -18 | -14.2 | -13.9 | -15.4 | -13.3 | -7.8 | -11.5 | -11.1 | -11.8 | -10.8 | -7.3 | -11.2 | -9.2 | -13.8 | -21.9 | -20.5 | -17.3 | -14.5 | -12.6 | -11.9 | -9.9 | -9.6 |
| Minimum temperature | -16.1 | -14.8 | -15 | -4.9 | -1.5 | -0.8 | -5 | -11.5 | -18.6 | -13.1 | -9.8 | -9.8 | -11.2 | -8.6 | -3.5 | -7 | -6.4 | -7.2 | -6.1 | -3.2 | -6.9 | -5 | -9.1 | -17.6 | -16 | -12.7 | -10.1 | -8.2 | -7.4 | -5.4 | -5.2 |
| Apparent min temperature | -13.9 | -14.6 | -14.1 | -6 | -2.1 | -2.5 | -5.5 | -13.2 | -17 | -12.2 | -8.9 | -10.7 | -10.8 | -7.3 | -4.6 | -7.9 | -5.8 | -7.5 | -5.5 | -4.4 | -6.8 | -6 | -8.3 | -15.8 | -11.9 | -8.9 | -8.3 | -4.6 | -6.7 | -6.4 | -4.6 |
| 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) | 9 | 9 | 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 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.8 | 8.8 | 8.8 | 8.8 |
| Sunshine duration (h) | 6.7 | 1.7 | 3 | 4.8 | 7 | 7.3 | 2.7 | 0.4 | 7.5 | 3.3 | 6.4 | 7.5 | 7.5 | 7.5 | 7.5 | 7.4 | 7.4 | 6.2 | 7.4 | 7.3 | 7.2 | 7.2 | 2.9 | 7.3 | 7.5 | 3.6 | 7.2 | 7.3 | 7.6 | 7.6 | 7.3 |
| Precipitation (mm) | 1.2 | 3.8 | 2.5 | 11 | 0 | 0 | 7.7 | 5.4 | 0.8 | 0.7 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 1 | 0 | 0.1 | 0.2 | 0 | 0 | 0 | 0 |
| Precipitation hours | 6 | 16 | 10 | 18 | 0 | 0 | 17 | 17 | 7 | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 7 | 0 | 1 | 1 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 12.8 | 16.3 | 14.1 | 19.6 | 8.3 | 13.9 | 15.6 | 10.1 | 7.4 | 9.9 | 6.9 | 4.5 | 4.8 | 6.6 | 5.6 | 8.9 | 8.7 | 9 | 8.9 | 9.4 | 8.5 | 10.5 | 17 | 7.8 | 4.7 | 5.4 | 5.4 | 5.8 | 6.8 | 7.9 | 7.7 |
In December 2023, the highest daytime temperature in Big Sky was 5.1°C.
While the minimum temperature at night dropped to -18.6°C.
The average nighttime and daytime temperatures during December in Big Sky are -9°C and -0.2°C respectively.
The precipitation sum in December is about 45 mm.