Average temperature in December is -3.1 °C
Average daytime temperature is -0.9 °C
Average night temperature is -6.1 °C
Absolute maximum temperature: 6.6 °C
Absolute minimum temperature: -13.6 °C
Number of sunny days: 7
Number of rainy days: 12
Number of snow days: 12
Precipitation sum: 70 mm
* Weather data for Eskilstuna 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 | -1.4 | -6.8 | -5.8 | -7.5 | -8.8 | -8.7 | -0.8 | 1.4 | 0.7 | -0.5 | 0.6 | -1.7 | -3 | -8.8 | 1 | 6.1 | 4.8 | 6.2 | 6.6 | 2.1 | 1 | 0.9 | -1.2 | -2.4 | 0.3 | -5.9 | -1.3 | 1.7 | 3.3 | 0.9 | -2.1 |
| Apparent max temperature | -6.3 | -11.4 | -10.3 | -11.7 | -12.7 | -12.7 | -4.6 | -2.1 | -3 | -4.7 | -3.8 | -5.9 | -7.2 | -13 | -2.5 | 0.8 | 1.3 | 2.4 | 2.1 | -1.5 | -3.9 | -4.6 | -7.5 | -7.2 | -2.7 | -9.9 | -6.4 | -1.2 | -0.1 | -1.8 | -6.2 |
| Mean temperature | -3.3 | -8.5 | -7.1 | -9.5 | -9.9 | -10.6 | -4.2 | 0.5 | -0.2 | -1.5 | -0.1 | -2.9 | -4.6 | -9.5 | -3.8 | 3.2 | 2.8 | 4.2 | 2.6 | -0.2 | -0.8 | 0.2 | -3.5 | -8.5 | -1.5 | -9.4 | -5.9 | -2 | 1.3 | -0.9 | -4 |
| Apparent mean temperature | -11 | -15.6 | -12.4 | -16.2 | -15.7 | -15.9 | -13.9 | -4.3 | -5.8 | -6.6 | -6 | -7.8 | -15.8 | -16 | -18.3 | -6.2 | -3.7 | -0.6 | -5.7 | -7.2 | -6.4 | -6.5 | -12.6 | -15.1 | -10.4 | -18.1 | -16.5 | -15.9 | -4.4 | -6 | -9.8 |
| Minimum temperature | -6.3 | -11.2 | -7.9 | -11.6 | -11.8 | -11.9 | -9.7 | -0.5 | -1.5 | -2.5 | -1.7 | -3.6 | -11.1 | -11.5 | -13.6 | -2 | 0.2 | 3.1 | -1.4 | -2.9 | -2.5 | -0.6 | -7.7 | -10.9 | -5.6 | -12.9 | -11.8 | -11.4 | -0.7 | -2 | -4.7 |
| Apparent min temperature | -8.3 | -12.9 | -11.7 | -13.9 | -13.8 | -14.6 | -8.2 | -3.4 | -4.3 | -5.5 | -4.5 | -7.1 | -9 | -13.7 | -7.8 | -1.4 | -0.9 | 0.5 | -2.5 | -3.7 | -5.3 | -5.6 | -8.8 | -13.2 | -5.3 | -14.1 | -11.1 | -6.3 | -1.7 | -4.4 | -8.3 |
| 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) | 6.6 | 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 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.2 | 6.2 |
| Sunshine duration (h) | 0 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.6 | 3.7 | 0 | 0 | 0 | 0 | 3.7 | 0 | 0.5 | 3.9 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0.8 | 0.2 | 0.2 | 0 | 0 | 0 | 4.5 | 1.7 | 2.8 | 0.1 | 3.2 | 1 | 0.1 | 0 | 0.7 | 0 | 2.8 | 0.4 | 0.6 | 5 | 6.2 | 8.7 | 2.5 | 4.7 | 3.7 | 0 | 0.1 | 7.5 | 10.6 | 2 | 0 |
| Precipitation hours | 8 | 2 | 2 | 0 | 0 | 0 | 21 | 8 | 19 | 1 | 16 | 10 | 1 | 0 | 4 | 0 | 7 | 2 | 3 | 7 | 11 | 24 | 15 | 5 | 15 | 0 | 1 | 12 | 14 | 13 | 0 |
| Wind speed (m/s) | 16.9 | 10.4 | 12.2 | 9 | 6.6 | 5.9 | 10.4 | 14.4 | 13.3 | 12.6 | 16.6 | 12.2 | 12.3 | 8.4 | 12.3 | 30.5 | 18.9 | 19.1 | 28.8 | 12.6 | 22.8 | 29 | 24.3 | 16.3 | 15.2 | 14.4 | 17.7 | 18.1 | 11.2 | 11.5 | 15.6 |
In December 2023, the highest daytime temperature in Eskilstuna was 6.6°C.
While the minimum temperature at night dropped to -13.6°C.
The average nighttime and daytime temperatures during December in Eskilstuna are -6.1°C and -0.9°C respectively.
The precipitation sum in December is about 70 mm.