Average temperature in December is -5.4 °C
Average daytime temperature is -2.7 °C
Average night temperature is -8.5 °C
Absolute maximum temperature: 5.5 °C
Absolute minimum temperature: -17 °C
Number of sunny days: 14
Number of rainy days: 6
Number of snow days: 11
Precipitation sum: 52 mm
* Weather data for Mysen Norway 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 | -6.7 | -9.3 | -9.6 | -10.8 | -9.5 | -6.8 | -5.2 | -0.4 | 0.3 | 0.3 | -0.4 | -2 | -4.8 | -4.2 | -2.6 | 5.3 | 5.4 | 5.5 | 4.9 | 0.4 | -0.1 | -1.8 | -5.1 | -3.8 | -2.9 | -8.2 | -4.3 | -2.8 | -1.2 | -1 | -3 |
| Apparent max temperature | -11.6 | -14 | -14.1 | -14.9 | -14.2 | -11.1 | -9.8 | -4.5 | -3.9 | -4.4 | -5 | -6 | -9.2 | -8.4 | -6.9 | 0.2 | 1.2 | 1.2 | 0.5 | -2.9 | -5.4 | -7.2 | -9.7 | -8.7 | -7 | -12.2 | -8.8 | -7.1 | -4.7 | -4.7 | -7.4 |
| Mean temperature | -8.5 | -11.4 | -12.4 | -14.1 | -12.7 | -8.4 | -6.8 | -3.7 | 0.1 | -1.2 | -1.2 | -6.9 | -10.6 | -10 | -4.5 | 3.4 | 2.8 | 2.4 | 0.6 | -1.7 | -2.2 | -3.5 | -8.1 | -8.1 | -6.2 | -12.3 | -7.8 | -4.7 | -2.4 | -3.7 | -3.9 |
| Apparent mean temperature | -15.4 | -18.4 | -18.7 | -22 | -20.4 | -15.8 | -12.5 | -10.5 | -4.7 | -6.6 | -6.9 | -16.5 | -22.2 | -21.3 | -11.7 | -6.1 | -5.8 | -3.3 | -5.9 | -8.1 | -8.9 | -12 | -17.8 | -20.2 | -17.1 | -20.5 | -17.3 | -11.5 | -8.3 | -12.1 | -10.9 |
| Minimum temperature | -10.7 | -13.5 | -14 | -17 | -15.7 | -11.1 | -7.9 | -5.8 | -0.3 | -1.7 | -1.9 | -11.4 | -17 | -16.6 | -7.2 | -1.9 | -1.7 | -0.1 | -1.9 | -4.9 | -4.5 | -6.9 | -12.4 | -15.1 | -11.8 | -15.3 | -12 | -7.2 | -4.4 | -7.6 | -4.7 |
| Apparent min temperature | -13.4 | -16.3 | -17.2 | -18.9 | -17.4 | -12.7 | -11.4 | -8 | -4.3 | -5.9 | -5.8 | -11.2 | -15.4 | -14.1 | -8.6 | -0.9 | -1.1 | -1.2 | -3.9 | -5 | -7.3 | -8.9 | -13 | -12.9 | -10.6 | -17 | -12.6 | -9.4 | -6.2 | -7.7 | -9.5 |
| 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) | 6.6 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6.1 | 6.1 | 6.1 | 6.1 |
| Sunshine duration (h) | 4.4 | 4.3 | 4.2 | 4.1 | 4.1 | 0 | 1.4 | 0 | 0 | 0 | 0 | 3.8 | 0.2 | 0.2 | 0.5 | 0.5 | 0 | 3.2 | 1.7 | 0 | 0 | 0.6 | 3.5 | 0 | 0.5 | 1.5 | 3.6 | 0 | 0 | 1.3 | 0 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 1.2 | 0.9 | 1.5 | 7.1 | 1.7 | 2.6 | 0 | 0 | 0 | 0 | 0.8 | 0 | 1.8 | 0 | 0.8 | 11.4 | 2.8 | 0 | 1.3 | 2 | 0 | 0 | 6 | 9.5 | 0.1 | 0.6 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 12 | 7 | 4 | 23 | 12 | 17 | 0 | 0 | 0 | 0 | 2 | 0 | 4 | 0 | 5 | 18 | 5 | 0 | 6 | 6 | 0 | 0 | 12 | 13 | 1 | 6 |
| Wind speed (m/s) | 12.9 | 10.5 | 10.2 | 10.2 | 9.1 | 9.4 | 11.8 | 12.7 | 16.6 | 17.3 | 17.8 | 11 | 12.8 | 9.5 | 12.3 | 26.3 | 19.9 | 21.7 | 21.9 | 10.4 | 25.2 | 21.9 | 14 | 16.1 | 13.4 | 13.5 | 14.8 | 24.2 | 15 | 10.6 | 23.6 |
In December 2023, the highest daytime temperature in Mysen was 5.5°C.
While the minimum temperature at night dropped to -17°C.
The average nighttime and daytime temperatures during December in Mysen are -8.5°C and -2.7°C respectively.
The precipitation sum in December is about 52 mm.