Average temperature in December is 1.6 °C
Average daytime temperature is 3.9 °C
Average night temperature is -0.8 °C
Absolute maximum temperature: 9.8 °C
Absolute minimum temperature: -8.9 °C
Number of sunny days: 6
Number of rainy days: 17
Number of snow days: 8
Precipitation sum: 74 mm
* Weather data for Piaseczno Poland 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 | -1.3 | -1.5 | 0 | -1.6 | -3.2 | -0.7 | -0.4 | -2.5 | 0 | 1.9 | 4.4 | 3.6 | 2.2 | 1.8 | 1.7 | 5.5 | 7.5 | 6.6 | 8.4 | 6.2 | 6.3 | 4.3 | 1.2 | 8 | 9.3 | 9.8 | 4.7 | 8.5 | 9.3 | 8.1 | 4.7 |
| Apparent max temperature | -5.2 | -6.1 | -4.4 | -6.5 | -7.4 | -4.9 | -4 | -6.7 | -4.1 | -2.1 | -0.3 | 0.6 | -0.7 | -1.6 | -2.7 | 2 | 3.7 | 2.3 | 4.1 | 2.7 | 0.4 | -1.3 | -5.2 | 2.7 | 4.6 | 4.5 | -0.6 | 4.3 | 5 | 3.6 | 2.1 |
| Mean temperature | -4.5 | -2.9 | -2.2 | -4.1 | -6 | -3.3 | -1.4 | -4 | -1.6 | -0.2 | 2.9 | 2.9 | 1.4 | 1 | 0.3 | 4.2 | 6.7 | 5.9 | 6.3 | 5.1 | 4.3 | 2.2 | -0.2 | 1.6 | 7.5 | 6.9 | 2.5 | 3.5 | 6.6 | 6.2 | 2.3 |
| Apparent mean temperature | -10.7 | -8.1 | -9.5 | -13.4 | -13.1 | -11.5 | -7.9 | -9.4 | -8.4 | -7 | -2.5 | -1.2 | -3.3 | -3.6 | -8.6 | -2.4 | 0.2 | 0.1 | 0.1 | -2.5 | -2.5 | -6.9 | -8.1 | -6.7 | -0.6 | -0.3 | -5.8 | -5.2 | -1 | -1.2 | -5.2 |
| Minimum temperature | -6.7 | -4.4 | -4.3 | -8.9 | -8.5 | -7 | -3.5 | -5 | -4.2 | -2.5 | 1.8 | 1.4 | 0.6 | 0.4 | -4.5 | 1.8 | 5.3 | 5 | 5.4 | 2.9 | 2.1 | 0 | -1 | -1.8 | 4.5 | 4.4 | -2.3 | -1.2 | 3.2 | 3.2 | -1.4 |
| Apparent min temperature | -8.2 | -7 | -6.8 | -8.7 | -10.5 | -7.7 | -5.4 | -8.4 | -5.9 | -4.4 | -1.5 | -0.2 | -2 | -2.3 | -4.3 | -0.1 | 2.1 | 1.6 | 1.9 | 0.8 | -1.1 | -4.7 | -6.7 | -3.1 | 2.2 | 2.1 | -2.5 | -0.6 | 2.2 | 1.4 | -1.1 |
| 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) | 8.1 | 8.1 | 8 | 8 | 8 | 8 | 7.9 | 7.9 | 7.9 | 7.9 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.8 | 7.8 | 7.8 | 7.8 | 7.8 |
| Sunshine duration (h) | 1.8 | 0 | 0 | 1.2 | 6.3 | 0.7 | 0 | 0 | 0 | 0.6 | 2 | 0 | 0.2 | 0 | 1.2 | 0 | 0 | 0 | 1 | 0 | 0 | 2.5 | 5.8 | 0 | 1.7 | 0.9 | 4.3 | 3.3 | 5.7 | 4.4 | 4.8 |
| Precipitation (mm) | 0 | 3.9 | 2.1 | 1.3 | 0 | 1 | 3 | 0 | 2.3 | 0.4 | 7.6 | 2.8 | 0.7 | 3.5 | 0.2 | 0.3 | 0.8 | 0.9 | 5.1 | 11.6 | 9.5 | 1.9 | 0.2 | 3.9 | 4.6 | 5.7 | 0.4 | 0 | 0 | 0.7 | 0 |
| Precipitation hours | 0 | 8 | 12 | 6 | 0 | 5 | 17 | 0 | 7 | 4 | 14 | 12 | 5 | 17 | 1 | 3 | 6 | 6 | 12 | 18 | 16 | 9 | 1 | 12 | 10 | 10 | 2 | 0 | 0 | 4 | 0 |
| Wind speed (m/s) | 8.5 | 16.5 | 16.7 | 18.7 | 12 | 13.4 | 11.6 | 13.7 | 13.9 | 15.5 | 20.8 | 13.3 | 14.5 | 12.8 | 19.5 | 24 | 29.2 | 24.9 | 21 | 26.4 | 35.2 | 36.1 | 36.4 | 30.3 | 35.5 | 33.7 | 29.6 | 20 | 23.7 | 28.8 | 15.5 |
In December 2023, the highest daytime temperature in Piaseczno was 9.8°C.
While the minimum temperature at night dropped to -8.9°C.
The average nighttime and daytime temperatures during December in Piaseczno are -0.8°C and 3.9°C respectively.
The precipitation sum in December is about 74 mm.