Average temperature in January is 3.1 °C
Average daytime temperature is 4.9 °C
Average night temperature is 1.3 °C
Absolute maximum temperature: 16.1 °C
Absolute minimum temperature: -3.3 °C
Number of sunny days: 11
Number of rainy days: 19
Number of snow days: 1
Precipitation sum: 67 mm
* Weather data for Piaseczno Poland is based on climate observations for 2023 year
| January (°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 | 16.1 | 12.5 | 10.6 | 7.4 | 8.4 | 2.2 | 5.5 | 4.9 | 7 | 5.9 | 4.1 | 8.1 | 8.5 | 7.8 | 7.2 | 4.1 | 4.9 | 2.4 | 2.5 | 1.5 | 1.9 | 1.7 | 2.1 | 3.2 | 0.6 | 0.9 | 1.8 | 1 | 0.4 | 2 | 3.5 |
| Apparent max temperature | 11.9 | 9.2 | 6.8 | 2.2 | 3.7 | -0.9 | 2.9 | 1.1 | 4.4 | 3.4 | 0.3 | 4.8 | 4.9 | 4.2 | 1.8 | 0.5 | 1.2 | -0.2 | -0.4 | -2.4 | -2.3 | -2.4 | -1.2 | 0.6 | -2.4 | -2.5 | -2.5 | -2.7 | -4.6 | -3 | -2.3 |
| Mean temperature | 13.1 | 9.7 | 6.8 | 3.1 | 6.4 | 0.6 | 3.7 | 3.7 | 5.2 | 4.6 | 2.9 | 5.6 | 6.9 | 4.8 | 5.6 | 3 | 2.4 | 1.6 | 1.2 | 0.7 | 0.8 | 1.2 | 1.2 | 1.7 | -0.4 | -0.2 | -0.3 | -0.1 | -1.1 | 0.9 | 2.1 |
| Apparent mean temperature | 6.5 | 4.6 | -1.7 | -5.4 | -3.1 | -5.4 | -0.8 | -2.9 | -1.1 | -0.9 | -2 | -0.1 | 0.1 | -2 | -2 | -2.7 | -5.6 | -3.4 | -3.3 | -5.5 | -6.3 | -3.2 | -3.2 | -2.3 | -4.7 | -4.8 | -5.7 | -5.5 | -8.1 | -6.6 | -4.2 |
| Minimum temperature | 9.7 | 7.5 | 2.5 | -1.8 | 2.1 | -1.3 | 2 | 1.9 | 2.6 | 1.8 | 1.3 | 3.7 | 4.3 | 3.2 | 3.7 | 1.1 | -1.9 | 0 | 0 | 0.1 | -0.3 | 0.8 | 0.6 | 0.4 | -0.9 | -1.6 | -2.3 | -1.4 | -3.3 | 0 | 0.7 |
| Apparent min temperature | 9.2 | 6.7 | 2.6 | -1.4 | 1.2 | -3.4 | 0.8 | -0.5 | 1.9 | 1.8 | -0.8 | 1.9 | 3 | 0.9 | 0.4 | -0.9 | -1.4 | -2.2 | -1.9 | -3.2 | -4 | -2.8 | -2.3 | -1.2 | -3.6 | -3.5 | -3.9 | -3.8 | -6.1 | -4.7 | -3.3 |
| January | 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) | 7.8 | 7.9 | 7.9 | 7.9 | 7.9 | 8 | 8 | 8 | 8 | 8.1 | 8.1 | 8.1 | 8.2 | 8.2 | 8.3 | 8.3 | 8.3 | 8.4 | 8.4 | 8.5 | 8.5 | 8.6 | 8.6 | 8.7 | 8.7 | 8.8 | 8.8 | 8.9 | 8.9 | 9 | 9.1 |
| Sunshine duration (h) | 6.4 | 4.6 | 3.7 | 4.2 | 2.5 | 0 | 2 | 0 | 0.7 | 0 | 1.1 | 5.8 | 0 | 5.7 | 0 | 2.3 | 4.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | 0 | 4.1 |
| Precipitation (mm) | 2.2 | 0 | 0 | 4.3 | 8.4 | 5.9 | 0 | 0 | 3.1 | 2.7 | 0.1 | 1 | 1.5 | 0 | 5.2 | 0.6 | 0.8 | 3.8 | 2.8 | 2.6 | 15.7 | 0.4 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 4.4 | 1.5 |
| Precipitation hours | 1 | 0 | 0 | 9 | 19 | 8 | 0 | 0 | 9 | 11 | 1 | 5 | 9 | 0 | 14 | 2 | 2 | 14 | 12 | 9 | 16 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 13 | 4 |
| Wind speed (m/s) | 27.4 | 19.4 | 23 | 28 | 29.6 | 19.5 | 14 | 23.7 | 17.9 | 13.4 | 17.8 | 18.8 | 20.6 | 22 | 27.6 | 17.8 | 17.8 | 16.3 | 12.2 | 22.2 | 26.9 | 15.5 | 11.3 | 8.3 | 8.2 | 7.7 | 12 | 11.2 | 18.9 | 28.8 | 28.2 |
In January 2023, the highest daytime temperature in Piaseczno was 16.1°C.
While the minimum temperature at night dropped to -3.3°C.
The average nighttime and daytime temperatures during January in Piaseczno are 1.3°C and 4.9°C respectively.
The precipitation sum in January is about 67 mm.