Average temperature in December is -10.3 °C
Average daytime temperature is -7.4 °C
Average night temperature is -14.4 °C
Absolute maximum temperature: 2.8 °C
Absolute minimum temperature: -24 °C
Number of sunny days: 9
Number of rainy days: 2
Number of snow days: 20
Precipitation sum: 44 mm
* Weather data for Os Norway 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 | -10.7 | -11.1 | -19.2 | -14.6 | -15.7 | -20.6 | -18.2 | -5.5 | -3.6 | -4.1 | -5.7 | -6.3 | -9.3 | -12.9 | -7.9 | 2.8 | -1.4 | 1.8 | 0.5 | -9.7 | -7 | -5.3 | -4.2 | -5.4 | -4.6 | -2.4 | -3.1 | -7.8 | -6 | -6.3 | -6.7 |
| Apparent max temperature | -14.4 | -14.8 | -23.4 | -18.8 | -20.1 | -25 | -22.8 | -9.6 | -8.4 | -8.6 | -9.8 | -9.5 | -13.2 | -17.4 | -12 | -2.9 | -5.1 | -1.2 | -5.5 | -13.9 | -10.4 | -10.3 | -8.5 | -8.9 | -8.2 | -7.8 | -8.8 | -12.7 | -9.7 | -9.9 | -10.9 |
| Mean temperature | -13.4 | -18.8 | -20.7 | -18 | -17.8 | -22 | -20.2 | -11.6 | -4.4 | -4.6 | -8.4 | -7.3 | -12.1 | -16.3 | -11.2 | -1.3 | -3.1 | -3.1 | -3.3 | -14 | -8.8 | -8.1 | -7.6 | -7.7 | -6.7 | -7.1 | -7.2 | -10.5 | -7.2 | -8.3 | -7.9 |
| Apparent mean temperature | -21.9 | -27.9 | -26.8 | -26.6 | -24.5 | -29 | -27 | -25.5 | -9.4 | -9.3 | -14.3 | -13.4 | -20.8 | -22.6 | -19.4 | -10.9 | -10.5 | -12.5 | -21.3 | -23.7 | -18 | -16.4 | -18.7 | -16.1 | -12.2 | -16.3 | -22.7 | -22.6 | -13.1 | -14.2 | -15.9 |
| Minimum temperature | -17.6 | -23.5 | -22.6 | -21.9 | -20.1 | -24 | -22.7 | -21.3 | -5.2 | -5.4 | -10.3 | -9.6 | -16.3 | -18 | -14.7 | -6.7 | -6.3 | -8.2 | -16.5 | -18.5 | -14 | -11.7 | -14.1 | -11.6 | -8 | -11.8 | -18.1 | -18.4 | -9.1 | -10.2 | -10.5 |
| Apparent min temperature | -17.5 | -23 | -25.1 | -22.4 | -22.2 | -26.8 | -24.8 | -15.6 | -8.7 | -9 | -12.2 | -10.8 | -16.3 | -20.8 | -15.6 | -5.8 | -6.9 | -6.6 | -8.5 | -18.2 | -12.9 | -12.2 | -11.6 | -11.9 | -10.6 | -11.7 | -12.5 | -15 | -11 | -11.9 | -12.6 |
| 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) | 5.7 | 5.6 | 5.6 | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5 | 5 | 5 | 5 | 5 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 5 | 5 | 5 | 5 | 5.1 | 5.1 |
| Sunshine duration (h) | 0 | 0.3 | 1.8 | 0 | 0.4 | 1.5 | 2 | 0 | 0 | 0 | 0.4 | 0 | 0 | 0 | 0.3 | 0 | 0 | 3.5 | 1.3 | 0 | 0 | 0 | 0 | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0.7 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 1.1 | 0 | 0 | 0 | 0.1 | 0.6 | 8.9 | 2 | 0.7 | 1.1 | 0.3 | 3.7 | 5.9 | 2.9 | 2.8 | 3.2 | 4.5 | 1.6 | 1.3 | 0.6 | 1.2 | 0.3 |
| Precipitation hours | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 8 | 0 | 0 | 0 | 1 | 5 | 17 | 9 | 4 | 9 | 3 | 16 | 15 | 13 | 9 | 17 | 12 | 9 | 11 | 5 | 10 | 3 |
| Wind speed (m/s) | 6.9 | 4.6 | 5.2 | 6.2 | 6.4 | 7.9 | 7.4 | 7 | 13.1 | 12.2 | 7.2 | 4.1 | 6.2 | 7.2 | 9.1 | 25.3 | 11.8 | 10.7 | 25.6 | 9.6 | 11.6 | 13.6 | 10.5 | 14.1 | 7.4 | 23.7 | 22.5 | 10.8 | 6.8 | 4.3 | 13.5 |
In December 2023, the highest daytime temperature in Os was 2.8°C.
While the minimum temperature at night dropped to -24°C.
The average nighttime and daytime temperatures during December in Os are -14.4°C and -7.4°C respectively.
The precipitation sum in December is about 44 mm.