Average temperature in December is -7.5 °C
Average daytime temperature is -5.5 °C
Average night temperature is -10 °C
Absolute maximum temperature: 2.9 °C
Absolute minimum temperature: -16.9 °C
Number of sunny days: 13
Number of rainy days: 8
Number of snow days: 10
Precipitation sum: 42 mm
* Weather data for Haparanda 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 | -7.1 | -10 | -5.5 | -5 | -6.6 | -6.9 | -5.6 | -5.9 | -8.5 | -9.5 | -9.7 | -10.9 | -11.2 | -8.4 | -4.5 | 2.9 | 2.2 | 0.7 | -0.4 | -1.4 | -5.8 | -6 | -2.7 | -0.8 | -2.5 | -3.7 | -4.7 | -6.8 | -6.6 | -8.8 | -10.6 |
| Apparent max temperature | -12 | -15.5 | -9.9 | -9.3 | -11 | -12.4 | -11 | -12.3 | -14.8 | -14.6 | -14.6 | -15.5 | -15.9 | -12.7 | -9.1 | -2.3 | -4 | -4.4 | -3.9 | -7.2 | -10.3 | -10.9 | -8.5 | -5.3 | -5.8 | -7.2 | -8.6 | -11 | -10.8 | -14.1 | -15.6 |
| Mean temperature | -8 | -11.1 | -7.9 | -6.4 | -8.6 | -9.6 | -7 | -7.4 | -10.1 | -10.3 | -10.7 | -11.9 | -13.3 | -9.9 | -7.1 | -3 | 0.5 | -1.3 | -1 | -6.4 | -9.6 | -7.3 | -4.1 | -2 | -3.6 | -4.8 | -6.7 | -11.9 | -8 | -9.8 | -13.2 |
| Apparent mean temperature | -15 | -18.6 | -16.8 | -11.3 | -14.1 | -17.1 | -14.4 | -14.6 | -16.5 | -17 | -17.9 | -18.6 | -21 | -17.5 | -12.8 | -13.5 | -6.9 | -8.3 | -7.1 | -18.8 | -20.7 | -14.3 | -13.5 | -8.9 | -10.7 | -13.4 | -13.3 | -21.9 | -15 | -17.6 | -21.8 |
| Minimum temperature | -9.4 | -12.9 | -10.7 | -7.5 | -9.5 | -11.7 | -9.1 | -8.4 | -11.3 | -12 | -13.2 | -13.8 | -15.5 | -12.4 | -8.7 | -8.6 | -0.9 | -3.2 | -1.9 | -14 | -16.3 | -9.4 | -7.2 | -3.9 | -6.3 | -8.8 | -9.1 | -16.9 | -10 | -11.9 | -16.4 |
| Apparent min temperature | -13.2 | -16.7 | -13 | -10.5 | -12.9 | -14.8 | -12.6 | -13.6 | -16 | -15.4 | -15.6 | -16.6 | -18.3 | -14.3 | -11.1 | -8.5 | -5.5 | -6.3 | -5.4 | -11.3 | -14.3 | -12.5 | -10 | -6.8 | -7.5 | -8.8 | -10.5 | -16.2 | -12.5 | -15.2 | -18.6 |
| 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) | 4.2 | 4.1 | 4 | 3.9 | 3.8 | 3.7 | 3.6 | 3.6 | 3.5 | 3.4 | 3.3 | 3.3 | 3.2 | 3.1 | 3.1 | 3.1 | 3 | 3 | 3 | 2.9 | 2.9 | 2.9 | 2.9 | 2.9 | 3 | 3 | 3 | 3.1 | 3.1 | 3.2 | 3.2 |
| Sunshine duration (h) | 0.1 | 0.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 0 | 0 | 0 | 0.8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0 | 0 | 0.6 | 0.3 | 0.3 | 1.9 | 0.9 | 3.5 | 1.5 | 1 | 0 | 0 | 0 | 0 | 1.3 | 8.4 | 0 | 1.4 | 11.2 | 1.4 | 0 | 0 | 3.2 | 3.3 | 0.7 | 0.8 | 0 | 0 | 0.2 | 0 | 0 |
| Precipitation hours | 0 | 0 | 6 | 3 | 3 | 14 | 8 | 18 | 15 | 10 | 0 | 0 | 0 | 0 | 7 | 12 | 0 | 3 | 20 | 9 | 0 | 0 | 18 | 12 | 6 | 7 | 0 | 0 | 2 | 0 | 0 |
| Wind speed (m/s) | 15.5 | 16.2 | 18.8 | 10.5 | 10 | 16.9 | 22 | 25.2 | 21.9 | 14.8 | 15 | 8.7 | 11.8 | 10.6 | 13.8 | 33.5 | 26.1 | 22.5 | 21.7 | 21.7 | 14.2 | 18.4 | 21.6 | 20.3 | 10.5 | 12.5 | 7.6 | 8.4 | 12.1 | 15 | 15.2 |
In December 2023, the highest daytime temperature in Haparanda was 2.9°C.
While the minimum temperature at night dropped to -16.9°C.
The average nighttime and daytime temperatures during December in Haparanda are -10°C and -5.5°C respectively.
The precipitation sum in December is about 42 mm.