Average temperature in December is -2.5 °C
Average daytime temperature is -0.9 °C
Average night temperature is -4.4 °C
Absolute maximum temperature: 9 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 12
Number of rainy days: 8
Number of snow days: 11
Precipitation sum: 113 mm
* Weather data for Rissa 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 | -5.9 | -6.3 | -7.1 | -5.7 | -6.6 | -5.9 | -5.7 | -1.7 | 1.5 | 1.6 | -0.9 | -2.8 | -3.7 | -4.4 | 2.6 | 9 | 5 | 6.5 | 4.9 | 1.1 | -0.7 | 0.1 | -0.8 | -1.9 | 0.4 | 2.1 | 1.2 | -1.6 | -0.3 | -0.7 | -0.6 |
| Apparent max temperature | -10.2 | -10.7 | -12.1 | -10 | -11.1 | -10.8 | -10.6 | -7 | -4.4 | -3.3 | -6.1 | -7.7 | -8.6 | -10 | -0.4 | 4.2 | 0.5 | 2.8 | -2.5 | -1.5 | -4.8 | -3.2 | -4.4 | -6.8 | -2.6 | -3 | -4.3 | -8.6 | -7 | -5.7 | -7.6 |
| Mean temperature | -6.4 | -7.5 | -7.6 | -6.8 | -7.2 | -6.5 | -7.1 | -4.6 | -0.4 | 0.1 | -1.5 | -3.8 | -5.8 | -6.5 | -1.1 | 4.6 | 3.1 | 4.9 | 2.2 | -2.7 | -1.9 | -0.9 | -2.4 | -3.1 | -0.8 | -0.2 | -1 | -2.6 | -1.2 | -1.5 | -2.3 |
| Apparent mean temperature | -12.1 | -14.5 | -14.3 | -12.4 | -12.6 | -11.7 | -14.5 | -14.6 | -7.5 | -6 | -7.4 | -9.8 | -11.7 | -13.7 | -9.9 | -3.1 | -1.9 | -2.4 | -5.1 | -8.9 | -9.5 | -6.2 | -9.9 | -11 | -7 | -8.6 | -11.3 | -10.8 | -8.8 | -7.6 | -13.6 |
| Minimum temperature | -7.1 | -8.4 | -8.3 | -7.9 | -7.8 | -6.9 | -8.7 | -8.5 | -3.2 | -1 | -2.4 | -4.8 | -6.6 | -7.4 | -4.4 | 1.3 | 1.5 | 2.9 | -0.4 | -4.4 | -3.1 | -1.8 | -5.7 | -4.8 | -2 | -4.7 | -7.3 | -6.5 | -2.2 | -2.5 | -4.3 |
| Apparent min temperature | -11 | -13 | -13.2 | -11.1 | -12 | -11.3 | -12.6 | -10.9 | -5.8 | -4.4 | -6.9 | -8.6 | -10.8 | -12.2 | -5 | -0.3 | -0.7 | 0.5 | -4.1 | -7 | -7.3 | -5 | -6.2 | -8.7 | -4.7 | -4.6 | -5.9 | -9.4 | -8 | -6.6 | -10 |
| 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) | 5.3 | 5.2 | 5.1 | 5.1 | 5 | 4.9 | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | 4.6 | 4.6 | 4.6 | 4.5 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 |
| Sunshine duration (h) | 0 | 0.2 | 0.9 | 0 | 0 | 0 | 0 | 4 | 0.2 | 0 | 3.3 | 3.5 | 0.9 | 0 | 0 | 0 | 0 | 0 | 0.6 | 0 | 0 | 0 | 0 | 1.1 | 0 | 0 | 0.1 | 0 | 3.6 | 0 | 3.9 |
| Precipitation (mm) | 0.3 | 0 | 0 | 0 | 0 | 0.3 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0.5 | 7.9 | 35.6 | 6.3 | 10.6 | 13 | 0.2 | 3.7 | 8.5 | 4.4 | 0 | 1 | 6 | 10.1 | 0.9 | 2 | 1.9 | 0 |
| Precipitation hours | 3 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 15 | 22 | 16 | 17 | 21 | 2 | 14 | 19 | 9 | 0 | 8 | 13 | 20 | 3 | 4 | 9 | 0 |
| Wind speed (m/s) | 13.5 | 19.8 | 20 | 10.5 | 11.7 | 12.6 | 17.7 | 26.4 | 25.6 | 21.2 | 19.5 | 15.3 | 14.3 | 21.4 | 17.3 | 33.8 | 29.2 | 31.5 | 46.2 | 14.9 | 27.2 | 23.2 | 11.8 | 30 | 16.1 | 25.9 | 24.9 | 34.3 | 29.5 | 22.7 | 42.2 |
In December 2023, the highest daytime temperature in Rissa was 9°C.
While the minimum temperature at night dropped to -8.7°C.
The average nighttime and daytime temperatures during December in Rissa are -4.4°C and -0.9°C respectively.
The precipitation sum in December is about 113 mm.