Average temperature in December is -4.2 °C
Average daytime temperature is -1.9 °C
Average night temperature is -7.4 °C
Absolute maximum temperature: 5.8 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 10
Number of rainy days: 10
Number of snow days: 11
Precipitation sum: 72 mm
* Weather data for Surahammar Sweden 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 | -3.1 | -8 | -6.8 | -7.3 | -8.9 | -10.6 | -1.7 | 0.7 | 0.1 | -1.5 | -0.1 | -1.6 | -3.4 | -8.2 | -0.7 | 5.8 | 3.7 | 4.8 | 5.8 | 0.3 | 0.9 | 0.9 | -2.1 | -5.3 | -1 | -8.4 | -1 | 0.3 | 1 | -0.2 | -3 |
| Apparent max temperature | -8.4 | -12.8 | -11.6 | -11.2 | -13.1 | -14.4 | -5.5 | -3 | -3.8 | -5.7 | -4.5 | -5.6 | -7.6 | -12.6 | -4.2 | 1.2 | 0.8 | 1.1 | 1.5 | -2.5 | -4.2 | -4.3 | -8.3 | -10.1 | -4.2 | -13.3 | -6.8 | -2.5 | -1.5 | -3.9 | -7.2 |
| Mean temperature | -4.3 | -9.5 | -8.4 | -9.6 | -13 | -11.4 | -6.2 | -0.6 | -0.8 | -2.2 | -0.8 | -2.8 | -5.2 | -9.9 | -4.9 | 1.9 | 1.9 | 2.3 | 1.4 | -2 | -1.5 | -0.3 | -4.4 | -10.7 | -3.5 | -10.4 | -4.7 | -3.5 | -0.6 | -1.1 | -4.8 |
| Apparent mean temperature | -12.9 | -16.6 | -15.4 | -17.3 | -19.2 | -17.2 | -16.6 | -5.8 | -6.5 | -6.9 | -5.9 | -8 | -15 | -19.5 | -18.3 | -9.2 | -4.2 | -3.2 | -8 | -9 | -7.6 | -8 | -14.3 | -20.2 | -11.9 | -16.4 | -16.3 | -16.1 | -5.4 | -7 | -11.1 |
| Minimum temperature | -7.9 | -11.4 | -10.2 | -12.6 | -14.7 | -13.3 | -12.2 | -1.8 | -2.2 | -2.7 | -1.5 | -3.7 | -10 | -15 | -13.7 | -4.5 | -0.4 | 0.6 | -3.7 | -4.8 | -2.9 | -1.5 | -9.2 | -15.2 | -7.5 | -11.5 | -11.9 | -12 | -2.1 | -2.9 | -6 |
| Apparent min temperature | -9.6 | -14.5 | -13.3 | -13.8 | -17.1 | -15.4 | -10.5 | -4.7 | -5 | -6.4 | -5.3 | -7.1 | -9.8 | -14.1 | -8.9 | -2.7 | -1.6 | -1.4 | -3.3 | -5.8 | -6 | -6.1 | -10 | -15.4 | -7.5 | -15.2 | -10 | -7.5 | -3.9 | -5 | -9.2 |
| 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 | 6.4 | 6.4 | 6.4 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6.1 | 6.1 |
| Sunshine duration (h) | 0 | 3.8 | 0.2 | 2.4 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.6 | 3.6 | 0 | 0 | 0 | 0 | 3.5 | 0 | 3.6 | 3.7 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0.6 | 0 | 0.7 | 0 | 0 | 0 | 5.5 | 3.3 | 4.3 | 0.1 | 2.4 | 0.8 | 0 | 0 | 0.2 | 0 | 2.9 | 2.2 | 0.8 | 5.1 | 6.4 | 6.9 | 2.2 | 4.2 | 4.1 | 0 | 0 | 7.9 | 9.6 | 2.1 | 0 |
| Precipitation hours | 6 | 0 | 6 | 0 | 0 | 0 | 21 | 10 | 21 | 1 | 14 | 8 | 0 | 0 | 2 | 0 | 7 | 1 | 2 | 7 | 11 | 23 | 13 | 6 | 12 | 0 | 0 | 12 | 19 | 10 | 0 |
| Wind speed (m/s) | 19.9 | 13.7 | 13.4 | 9.2 | 7.9 | 5.9 | 9.9 | 12.8 | 13.8 | 12.1 | 16.9 | 12.4 | 14.6 | 9.5 | 12.2 | 27.4 | 13.1 | 18.1 | 24.6 | 13.1 | 20.9 | 25.5 | 24 | 13.5 | 11.8 | 12.9 | 20 | 18.2 | 10.9 | 11.9 | 14.3 |
In December 2023, the highest daytime temperature in Surahammar was 5.8°C.
While the minimum temperature at night dropped to -15.2°C.
The average nighttime and daytime temperatures during December in Surahammar are -7.4°C and -1.9°C respectively.
The precipitation sum in December is about 72 mm.