Average temperature in December is 1.2 °C
Average daytime temperature is 3.1 °C
Average night temperature is -0.9 °C
Absolute maximum temperature: 8.6 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 6
Number of rainy days: 18
Number of snow days: 7
Precipitation sum: 84 mm
* Weather data for Ciechanów Poland 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 | -2.1 | -0.8 | 0.1 | -1.2 | -3.8 | -0.8 | -0.6 | -3.3 | -0.1 | 0.9 | 4 | 2.3 | 2.3 | 1.3 | 1.7 | 5.1 | 7.4 | 6.5 | 7.7 | 5.8 | 5.9 | 3.2 | 0.9 | 7.4 | 8.5 | 8.4 | 4.2 | 6 | 8.6 | 7.7 | 3.6 |
| Apparent max temperature | -6.9 | -4.5 | -4.7 | -6.2 | -9.1 | -6.2 | -5.1 | -8 | -4.2 | -3.4 | -0.6 | -0.5 | -1.6 | -2.3 | -3 | 0.8 | 3.4 | 2.3 | 3.4 | 2.5 | 0.4 | -2.7 | -6.3 | 1.5 | 2.6 | 2.9 | -1.7 | 2.1 | 3.2 | 2.8 | 0.4 |
| Mean temperature | -4.6 | -2.6 | -1.9 | -2.8 | -5.7 | -2.9 | -1.9 | -4.3 | -2.2 | -0.6 | 2.3 | 1.4 | 1.1 | 0.4 | -0.1 | 3.7 | 6.6 | 6 | 5.9 | 4.6 | 3.9 | 1.6 | -0.6 | 0.6 | 6.2 | 5.3 | 1.9 | 2.8 | 6.1 | 5.2 | 1.5 |
| Apparent mean temperature | -11.4 | -7.6 | -7.9 | -11.1 | -12.3 | -9.3 | -10 | -10.4 | -9.1 | -6.5 | -3.7 | -3.3 | -4.1 | -6 | -7.3 | -2.7 | -0.1 | 0.3 | 0.7 | -3.3 | -3.9 | -7.7 | -8.7 | -7.8 | -3.2 | -2.7 | -5.9 | -5.3 | -1.4 | -1.5 | -3.8 |
| Minimum temperature | -7.4 | -3.2 | -3.1 | -6.7 | -7.3 | -4.2 | -4.7 | -5.5 | -4.1 | -1.8 | 1 | 0 | 0.2 | -1.7 | -3.4 | 1.9 | 5.5 | 5.4 | 5.1 | 2.5 | 1.3 | -0.8 | -1.8 | -2.6 | 3.1 | 2.2 | -2.4 | -0.9 | 3.3 | 2.6 | 0.1 |
| Apparent min temperature | -9 | -6.3 | -6.6 | -7.5 | -10.9 | -8 | -6.5 | -9.2 | -6.7 | -5.1 | -2.1 | -1.6 | -2.6 | -3.6 | -4.6 | -0.8 | 1.8 | 1.6 | 1.4 | 0.2 | -1.4 | -5.6 | -7.7 | -4.4 | -0.1 | 0.1 | -3.6 | -1.6 | 1.1 | 0.3 | -2.1 |
| 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) | 8 | 7.9 | 7.9 | 7.9 | 7.8 | 7.8 | 7.8 | 7.8 | 7.7 | 7.7 | 7.7 | 7.7 | 7.7 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.6 | 7.7 |
| Sunshine duration (h) | 4.7 | 0 | 1.6 | 0 | 5.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 3.9 | 5.7 | 0.3 | 3.5 | 2.5 | 3.7 | 1.1 | 2.4 | 2.8 | 2.5 |
| Precipitation (mm) | 0 | 0.6 | 0.9 | 0.1 | 0 | 0.1 | 3.2 | 0 | 1.6 | 1.3 | 5.9 | 0.8 | 0.5 | 3.7 | 0.3 | 0.3 | 1.9 | 3.9 | 9.9 | 9.9 | 14 | 4.4 | 0 | 7.3 | 1.2 | 5.6 | 0 | 0.3 | 1 | 4.9 | 0 |
| Precipitation hours | 0 | 4 | 6 | 1 | 0 | 1 | 24 | 0 | 10 | 7 | 19 | 2 | 3 | 14 | 3 | 2 | 12 | 12 | 14 | 18 | 21 | 11 | 0 | 11 | 5 | 10 | 0 | 1 | 2 | 14 | 0 |
| Wind speed (m/s) | 16.6 | 12.9 | 19.4 | 18.4 | 19.9 | 18.9 | 16.6 | 16.2 | 15.5 | 15.8 | 23.2 | 10.5 | 17.4 | 16.6 | 19.9 | 25.7 | 30.1 | 28.5 | 25.8 | 30.1 | 34 | 40.9 | 33.6 | 35.6 | 37.6 | 33.5 | 32.5 | 20.6 | 27.8 | 31.5 | 16.2 |
In December 2023, the highest daytime temperature in Ciechanów was 8.6°C.
While the minimum temperature at night dropped to -7.4°C.
The average nighttime and daytime temperatures during December in Ciechanów are -0.9°C and 3.1°C respectively.
The precipitation sum in December is about 84 mm.