Average temperature in December is -2.5 °C
Average daytime temperature is -0.1 °C
Average night temperature is -5.1 °C
Absolute maximum temperature: 6.7 °C
Absolute minimum temperature: -14.3 °C
Number of sunny days: 6
Number of rainy days: 16
Number of snow days: 9
Precipitation sum: 59 mm
* Weather data for Bollmora 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 | -0.7 | -2.7 | -3.6 | -6.4 | -7.9 | -5.1 | 0.7 | 1.7 | 0.6 | 1 | 1.4 | -1.6 | -3.1 | -7.7 | 0.5 | 6 | 4.6 | 5.4 | 6.7 | 1.8 | 1.4 | 1.3 | 0.5 | 0.4 | 0.9 | -1.3 | -1.5 | 2.8 | 3.5 | 1.3 | -2.5 |
| Apparent max temperature | -5.2 | -7.2 | -8.3 | -11.7 | -11.8 | -9.4 | -3.5 | -2.8 | -3.9 | -2.8 | -3.1 | -6.4 | -7.8 | -12.5 | -3.2 | 0.5 | 0.8 | 1.6 | 2 | -1.6 | -3 | -4.1 | -4.5 | -4.9 | -2.3 | -6.1 | -7.2 | -0.9 | -0.6 | -1.6 | -6.5 |
| Mean temperature | -1.4 | -6.3 | -6.2 | -9.6 | -9.1 | -9.3 | -0.6 | 1 | -0.2 | 0 | 0.6 | -3.3 | -3.7 | -8.6 | -4.4 | 2.5 | 2.6 | 3.8 | 2.9 | -0.4 | 0.1 | 0.5 | -2.1 | -7.8 | 0.1 | -7.8 | -5.2 | -0.8 | 1.7 | -0.6 | -3 |
| Apparent mean temperature | -7.2 | -13 | -15.2 | -17 | -15.2 | -15 | -9.5 | -3.7 | -5.5 | -4.9 | -6 | -8.3 | -11.8 | -15.8 | -14.2 | -6.5 | -4.1 | -1.6 | -6 | -7.5 | -5.4 | -5.5 | -10.6 | -19.5 | -4.9 | -16.3 | -15.4 | -13.7 | -3.9 | -6.5 | -8.4 |
| Minimum temperature | -3 | -8.1 | -10 | -11.4 | -10.7 | -10.7 | -5.2 | 0.3 | -0.8 | -0.9 | -1.2 | -4 | -6.5 | -10.4 | -9.7 | -2.2 | -0.1 | 2.1 | -1.2 | -2.9 | -1.7 | -0.3 | -5.4 | -14.3 | -1 | -11.8 | -9.6 | -9.1 | -0.8 | -2.2 | -4.2 |
| Apparent min temperature | -6 | -11.2 | -11.1 | -14.7 | -13.1 | -13.4 | -4.8 | -3.3 | -4.8 | -3.9 | -4.1 | -7.8 | -8.4 | -13.7 | -8.4 | -2 | -1.3 | 0.1 | -2.3 | -4 | -4.4 | -4.8 | -7.5 | -12.6 | -3.4 | -12.6 | -10.8 | -5 | -1.8 | -4.2 | -7.3 |
| 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) | 6.7 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.3 | 6.3 | 6.3 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 | 6.2 | 6.2 | 6.2 |
| Sunshine duration (h) | 0.3 | 0 | 0 | 2.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.7 | 0 | 3.6 | 3.8 | 0 | 1.2 | 0 | 0 | 3.8 | 0.6 | 1.1 | 3.9 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0.9 | 0.3 | 0.2 | 0 | 0 | 0.2 | 2.9 | 2.3 | 2.2 | 0.3 | 2.6 | 0.2 | 0 | 0 | 0.2 | 0 | 1.8 | 0.2 | 1.8 | 3.2 | 5.1 | 14.6 | 0.7 | 2.8 | 3.7 | 0.1 | 0 | 3.8 | 8.3 | 0.4 | 0.2 |
| Precipitation hours | 7 | 3 | 2 | 0 | 0 | 2 | 14 | 19 | 19 | 3 | 20 | 2 | 0 | 0 | 2 | 0 | 5 | 1 | 2 | 5 | 10 | 22 | 4 | 5 | 15 | 1 | 0 | 11 | 11 | 4 | 2 |
| Wind speed (m/s) | 17 | 15.5 | 14.6 | 15.1 | 7.3 | 10.1 | 14.6 | 16.3 | 15.8 | 15.1 | 18.5 | 15.3 | 15.7 | 15.3 | 10.7 | 30.9 | 24 | 18.7 | 28.4 | 14.8 | 28.1 | 30.5 | 21.2 | 20.4 | 19.8 | 16.2 | 21.6 | 22.7 | 16.9 | 13.4 | 14.8 |
In December 2023, the highest daytime temperature in Bollmora was 6.7°C.
While the minimum temperature at night dropped to -14.3°C.
The average nighttime and daytime temperatures during December in Bollmora are -5.1°C and -0.1°C respectively.
The precipitation sum in December is about 59 mm.