Average temperature in December is -2.6 °C
Average daytime temperature is -1 °C
Average night temperature is -4.4 °C
Absolute maximum temperature: 5.9 °C
Absolute minimum temperature: -12.9 °C
Number of sunny days: 7
Number of rainy days: 10
Number of snow days: 14
Precipitation sum: 47 mm
* Weather data for Pärnu Estonia 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 | -3.7 | -5.7 | -6.4 | -7.4 | -5.6 | -4.2 | -5.2 | -6.9 | -6.4 | -4.2 | -2.7 | -1.6 | -0.9 | -1.7 | -0.4 | 4.5 | 4.6 | 4.6 | 5.9 | 2.5 | 1.4 | 2.3 | 0 | 0.5 | -1.1 | 0.4 | 0.4 | 2.9 | 3.6 | 3.2 | -1.5 |
| Apparent max temperature | -7.6 | -10.2 | -9.9 | -11.2 | -10.2 | -9.3 | -10.6 | -12.9 | -12.2 | -9.6 | -7.9 | -5.4 | -4.3 | -4.8 | -4.2 | -1.6 | -0.1 | 0.8 | -0.8 | -2.3 | -2.4 | -2.6 | -4 | -4.1 | -5.9 | -2.5 | -4.1 | -1.6 | -1.2 | -0.6 | -7 |
| Mean temperature | -4.7 | -7.6 | -7.3 | -8.9 | -7.1 | -7.9 | -7.1 | -8.9 | -9.4 | -5.6 | -4.7 | -2.2 | -2.7 | -3.4 | -2.2 | 2.4 | 2.9 | 3.8 | 3.5 | 1.2 | 0.7 | 1.2 | -0.6 | -0.3 | -1.9 | -0.9 | -1 | 0 | 3 | 2.1 | -5.1 |
| Apparent mean temperature | -10 | -12.9 | -12.6 | -15.6 | -14.3 | -15.4 | -14.6 | -18 | -18.3 | -12.6 | -11.7 | -7.7 | -10.7 | -9.6 | -7.2 | -4.2 | -3.3 | -1.6 | -4.3 | -4.9 | -6.5 | -6 | -6.3 | -5.7 | -8.4 | -6.1 | -7.3 | -6.4 | -2.7 | -6.7 | -12 |
| Minimum temperature | -5.9 | -9 | -8.6 | -10.8 | -10.2 | -9.8 | -9 | -12.5 | -12.9 | -6.9 | -5.7 | -2.6 | -6.3 | -5.5 | -3.4 | 0.4 | 1.9 | 3.2 | 1.4 | 0.3 | 0.1 | 0 | -2.1 | -1 | -3.6 | -2.6 | -2.8 | -1 | 2.1 | -1 | -6.8 |
| Apparent min temperature | -8.7 | -11.6 | -11.2 | -13.1 | -11.7 | -13.2 | -12.9 | -14.8 | -15.1 | -11 | -10.3 | -6.4 | -6.3 | -7.1 | -6.4 | -2.7 | -1.9 | -0.3 | -2.5 | -3.9 | -4.5 | -4.2 | -5 | -5 | -7.1 | -4.4 | -6 | -5 | -1.8 | -2 | -10.4 |
| 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) | 6.9 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.6 | 6.6 | 6.6 | 6.5 | 6.5 | 6.5 | 6.5 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.4 | 6.5 |
| Sunshine duration (h) | 1.1 | 2.7 | 0 | 1.8 | 3.8 | 0 | 0.1 | 3 | 0 | 1 | 0 | 0 | 0 | 3.7 | 0 | 0 | 2.8 | 0 | 3.4 | 3.2 | 1.4 | 1.4 | 0 | 3.3 | 0 | 0 | 0.3 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0.3 | 0 | 0 | 1.3 | 0 | 0 | 0 | 0.3 | 0.4 | 0.1 | 2.4 | 3.1 | 0.1 | 0 | 0.5 | 1.2 | 0.9 | 0.2 | 6 | 3.5 | 4.9 | 3.3 | 0.7 | 0.7 | 4.3 | 0.5 | 1.5 | 4.4 | 3.4 | 3 | 0 |
| Precipitation hours | 3 | 0 | 0 | 7 | 0 | 0 | 0 | 3 | 3 | 1 | 17 | 22 | 1 | 0 | 4 | 7 | 6 | 2 | 10 | 9 | 18 | 9 | 6 | 7 | 16 | 4 | 6 | 12 | 8 | 15 | 0 |
| Wind speed (m/s) | 13.1 | 11.8 | 7.9 | 10.2 | 14.2 | 15.1 | 22.6 | 21.4 | 19.6 | 18.8 | 20.7 | 17.6 | 9.1 | 11.8 | 15.4 | 35.4 | 34.6 | 28.3 | 40.7 | 27.3 | 34.2 | 32.2 | 19.8 | 19.4 | 21.7 | 15.3 | 21.9 | 26.6 | 30.1 | 22.3 | 21.5 |
In December 2023, the highest daytime temperature in Pärnu was 5.9°C.
While the minimum temperature at night dropped to -12.9°C.
The average nighttime and daytime temperatures during December in Pärnu are -4.4°C and -1°C respectively.
The precipitation sum in December is about 47 mm.