Average temperature in December is -3.4 °C
Average daytime temperature is -1 °C
Average night temperature is -6.8 °C
Absolute maximum temperature: 6 °C
Absolute minimum temperature: -14.9 °C
Number of sunny days: 9
Number of rainy days: 12
Number of snow days: 10
Precipitation sum: 49 mm
* Weather data for Sigtuna Sweden is based on climate observations for 2023 year
| Dicembre (°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 | -0.4 | -5.7 | -4.6 | -8.1 | -8.9 | -8.1 | 0 | 1.2 | 0.5 | -0.1 | 0.7 | -2 | -2.8 | -8.2 | -0.6 | 5.4 | 3.5 | 4.5 | 6 | 0.5 | 1.1 | 1 | 0 | -2.3 | 0.3 | -1.3 | -1.3 | 1.5 | 1.3 | 0.3 | -3 |
| Apparent max temperature | -4.5 | -10.6 | -9.2 | -12.7 | -13.1 | -12 | -3.7 | -2.6 | -3.7 | -4.1 | -3.7 | -6.2 | -7.2 | -12.8 | -4.3 | 0.4 | -0.2 | 1 | 1.5 | -2.1 | -3.3 | -4.4 | -5.2 | -6.9 | -3.1 | -4.7 | -6.6 | -1.7 | -1.4 | -2.6 | -6.9 |
| Mean temperature | -1.8 | -7.1 | -6.9 | -11.5 | -11.2 | -9.9 | -3.2 | -0.3 | -0.6 | -1.2 | -0.1 | -3.1 | -4.1 | -9.6 | -4.8 | 1.6 | 1.8 | 2.4 | 1.9 | -0.9 | -0.5 | 0.4 | -2.9 | -9.7 | -0.9 | -10.6 | -5.3 | -2.7 | 0.4 | -0.6 | -4.4 |
| Apparent mean temperature | -10.3 | -13.4 | -16.4 | -20.1 | -18.5 | -17.3 | -13.7 | -6.1 | -5.2 | -5.8 | -6.1 | -7.8 | -14.5 | -16.1 | -15.3 | -8.1 | -4.4 | -2.8 | -7.2 | -8.2 | -6 | -5.6 | -11.8 | -19.3 | -6.5 | -19.8 | -18.4 | -16.7 | -3.4 | -7 | -9.8 |
| Minimum temperature | -5.4 | -8.4 | -11.6 | -14.9 | -13.7 | -13.3 | -9.4 | -2.2 | -1.9 | -1.8 | -1.8 | -3.7 | -9.3 | -11.3 | -11.1 | -3.8 | -0.5 | 0.8 | -2.5 | -3.7 | -1.6 | -0.2 | -7 | -14.1 | -2.4 | -14.8 | -13 | -11.7 | 0 | -2.8 | -5.5 |
| Apparent min temperature | -6.4 | -12 | -11.5 | -16.4 | -15.4 | -14 | -7 | -4.2 | -4.5 | -5 | -4.5 | -7.4 | -8.6 | -14.3 | -8.8 | -2.9 | -1.8 | -1.2 | -3 | -4.3 | -4.7 | -4.9 | -8.4 | -14.4 | -4.3 | -15.2 | -10.5 | -6.8 | -2.6 | -4.3 | -8.6 |
| Dicembre | 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 | 6.3 | 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 | 6.1 | 6.1 | 6.1 |
| Sunshine duration (h) | 0 | 0 | 0 | 3.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.5 | 3.5 | 0 | 0 | 0 | 0 | 3.6 | 2 | 1.3 | 3.6 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0.8 | 0.4 | 1 | 0 | 0 | 0 | 2.2 | 0.5 | 1.4 | 0.3 | 1.9 | 0.3 | 0 | 0 | 0.2 | 0 | 2.2 | 0.1 | 1.4 | 5.2 | 3.8 | 7.9 | 1.7 | 2.4 | 3.1 | 0 | 0 | 5.2 | 5.9 | 0.6 | 0 |
| Precipitation hours | 8 | 4 | 10 | 0 | 0 | 0 | 11 | 4 | 13 | 2 | 11 | 3 | 0 | 0 | 2 | 0 | 5 | 1 | 4 | 7 | 9 | 23 | 11 | 5 | 14 | 0 | 0 | 11 | 13 | 5 | 0 |
| Wind speed (m/s) | 18 | 13.6 | 13 | 11.9 | 8.2 | 6.1 | 9.8 | 14.9 | 13.9 | 11.3 | 16.1 | 13.2 | 15.6 | 12 | 10.6 | 26.8 | 17.1 | 18.4 | 26.7 | 12.3 | 22.4 | 27.4 | 22.6 | 13.7 | 12.7 | 13.2 | 18.4 | 18.7 | 11.2 | 12.3 | 12.6 |
In December 2023, the highest daytime temperature in Sigtuna was 6°C.
While the minimum temperature at night dropped to -14.9°C.
The average nighttime and daytime temperatures during December in Sigtuna are -6.8°C and -1°C respectively.
The precipitation sum in December is about 49 mm.