Average temperature in December is -6.6 °C
Average daytime temperature is -4.8 °C
Average night temperature is -8.4 °C
Absolute maximum temperature: 2.6 °C
Absolute minimum temperature: -14.8 °C
Number of sunny days: 8
Number of rainy days: 9
Number of snow days: 14
Precipitation sum: 50 mm
* Weather data for Mikkeli Finland 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 | -7.3 | -8.4 | -9.6 | -9.9 | -8.8 | -6.6 | -6.6 | -10.2 | -11.1 | -10.8 | -8.5 | -7.7 | -2.8 | -2.4 | -4.8 | 1.4 | 2.5 | -0.9 | 2.6 | 0.2 | -2.2 | -0.6 | -0.2 | -0.9 | -3.1 | -4.2 | -4.7 | -4 | -4.4 | -6.3 | -9.3 |
| Apparent max temperature | -12 | -12.6 | -13.5 | -13.6 | -13.1 | -10.6 | -10.6 | -15.7 | -16 | -15.7 | -13.5 | -12.8 | -6.8 | -6.1 | -8.5 | -3 | -2.7 | -5 | -2.2 | -5.1 | -6.4 | -4.3 | -3.7 | -4.9 | -6 | -7.5 | -9 | -7.5 | -8.6 | -11.8 | -14.1 |
| Mean temperature | -7.9 | -9.2 | -10.7 | -11.9 | -11.5 | -8.2 | -9.5 | -11.3 | -11.9 | -11.3 | -10.1 | -9.1 | -5.3 | -3.4 | -6.2 | -3.2 | 0.5 | -2.2 | 0.6 | -3 | -8 | -1.9 | -0.9 | -2.3 | -4 | -5.1 | -6.8 | -5.4 | -5.3 | -10.1 | -11.1 |
| Apparent mean temperature | -13.6 | -15.3 | -16.8 | -18 | -19.4 | -13.2 | -16.5 | -17.2 | -17.5 | -17 | -16 | -15.9 | -13 | -8.5 | -11.9 | -9.9 | -6.6 | -8.2 | -7.4 | -14.2 | -15.9 | -8.1 | -5.5 | -6.9 | -8.8 | -9.5 | -11.9 | -10.4 | -11.7 | -18.6 | -17.7 |
| Minimum temperature | -8.9 | -11 | -12.3 | -13.7 | -14.8 | -9 | -11.5 | -12.1 | -12.7 | -11.8 | -11.2 | -10.8 | -7.6 | -4.7 | -8 | -5.8 | -1.6 | -3.5 | -0.8 | -9.7 | -12 | -2.6 | -1.4 | -3.1 | -5.3 | -6.1 | -8.4 | -6.8 | -6.2 | -13.3 | -12.6 |
| Apparent min temperature | -12.7 | -13.4 | -14.8 | -15.9 | -15.8 | -12.2 | -14.2 | -16.5 | -16.8 | -16.2 | -15 | -14.2 | -9.9 | -7.4 | -10 | -7.6 | -4.8 | -6.9 | -4.7 | -8.2 | -12.4 | -6.6 | -4.7 | -5.8 | -7.2 | -8.5 | -10.6 | -9.2 | -10.1 | -15.6 | -16 |
| 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 | 5.9 | 5.9 | 5.8 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 |
| Sunshine duration (h) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.6 | 0 | 2.1 | 2.1 | 1.1 | 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.2 |
| Precipitation (mm) | 2.4 | 0 | 0.4 | 0 | 0.1 | 1.2 | 0 | 0 | 1.5 | 2.5 | 1 | 5 | 7 | 2.5 | 1 | 5.5 | 2.2 | 0 | 2.7 | 0.6 | 0.4 | 2.9 | 8.7 | 0.4 | 0.1 | 0.2 | 0 | 0 | 0.6 | 0.9 | 0 |
| Precipitation hours | 12 | 0 | 3 | 0 | 1 | 10 | 0 | 0 | 15 | 16 | 8 | 19 | 24 | 16 | 7 | 6 | 2 | 0 | 6 | 6 | 3 | 14 | 24 | 3 | 1 | 2 | 0 | 0 | 6 | 8 | 0 |
| Wind speed (m/s) | 12.6 | 8.8 | 6.8 | 6.1 | 7.2 | 6.6 | 12 | 14.4 | 12.6 | 12.1 | 13.4 | 14 | 14.8 | 9.9 | 8.8 | 19.8 | 23 | 16.6 | 30.3 | 26.1 | 18.5 | 19.9 | 12.7 | 12.7 | 5.7 | 7.6 | 9.7 | 9.5 | 17.2 | 16.7 | 12 |
In December 2023, the highest daytime temperature in Mikkeli was 2.6°C.
While the minimum temperature at night dropped to -14.8°C.
The average nighttime and daytime temperatures during December in Mikkeli are -8.4°C and -4.8°C respectively.
The precipitation sum in December is about 50 mm.