Average temperature in December is 2.5 °C
Average daytime temperature is 4.8 °C
Average night temperature is -0.3 °C
Absolute maximum temperature: 11 °C
Absolute minimum temperature: -10.5 °C
Number of sunny days: 10
Number of rainy days: 18
Number of snow days: 3
Precipitation sum: 76 mm
* Weather data for Opole 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 | -0.5 | -2.5 | -1.7 | -3.6 | -2 | -0.3 | -1.2 | -0.6 | 0.9 | 3.4 | 6.5 | 7.6 | 6.5 | 5 | 2.7 | 6.6 | 7.6 | 9.4 | 9.2 | 6.4 | 7.3 | 4.3 | 2 | 9.1 | 11 | 10.7 | 6.9 | 10.1 | 10.9 | 9.3 | 8.1 |
| Apparent max temperature | -3.3 | -7.3 | -6.7 | -8.9 | -6.6 | -4.3 | -3.6 | -4 | -2.3 | -0.4 | 1.9 | 4.8 | 3.9 | 2 | -0.6 | 3.1 | 4.5 | 5.8 | 5.6 | 2.8 | 1.9 | -2.1 | -3.8 | 3.3 | 6.6 | 6.5 | 2.7 | 5.8 | 6.2 | 5 | 4.7 |
| Mean temperature | -2.7 | -3.1 | -3.1 | -6.4 | -5 | -3.6 | -2.3 | -2.3 | -0.2 | 1.7 | 4 | 4.6 | 4.5 | 3.6 | 0.6 | 4.4 | 5.3 | 5.3 | 6.4 | 4.9 | 5.9 | 2.6 | 0.9 | 4.3 | 10.1 | 9 | 3.5 | 5.4 | 7.9 | 6.8 | 4.4 |
| Apparent mean temperature | -9.5 | -9.8 | -9.8 | -15.3 | -13 | -14.1 | -6.9 | -9.4 | -6.7 | -6.8 | -2.8 | -3.2 | -1.8 | -2.4 | -6.2 | -1.2 | 0.2 | -3.8 | -3.5 | -1.2 | -0.9 | -5.1 | -7.1 | -3.7 | 3.7 | 0.8 | -3.6 | -1 | 1.3 | 0.3 | -2.5 |
| Minimum temperature | -5.5 | -3.7 | -4.9 | -10.5 | -8.4 | -9.3 | -3.5 | -4.2 | -2.1 | 0 | 1.7 | 0 | 1.9 | 1.8 | -2.6 | 2.5 | 3.6 | -0.6 | 0.1 | 3.7 | 4.4 | 0.8 | -0.6 | 0.3 | 9.2 | 6.1 | 0.4 | 2.6 | 4.6 | 3.2 | 1.1 |
| Apparent min temperature | -6.2 | -8.1 | -8.5 | -11.5 | -9.9 | -7.6 | -5.4 | -7.3 | -4.3 | -2.9 | -0.2 | 1 | 1.5 | 0.6 | -3 | 0.6 | 1.7 | 1.7 | 2.2 | 0.3 | 0.4 | -4.1 | -5 | -0.1 | 5.7 | 4.7 | -0.7 | 1.8 | 4 | 3.1 | 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) | 8.3 | 8.3 | 8.3 | 8.2 | 8.2 | 8.2 | 8.2 | 8.1 | 8.1 | 8.1 | 8.1 | 8.1 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Sunshine duration (h) | 0 | 0 | 0.6 | 6.3 | 6.8 | 0 | 0.1 | 3 | 0 | 1.1 | 5.7 | 1.6 | 0.2 | 0.1 | 2.2 | 0.3 | 6 | 6.5 | 4.5 | 2 | 0 | 5.3 | 1.5 | 0 | 0.8 | 0.1 | 6.5 | 4.1 | 6.1 | 4.4 | 6 |
| Precipitation (mm) | 4.5 | 10.4 | 3.3 | 0 | 0 | 2.5 | 0.2 | 0 | 3.2 | 2 | 6.3 | 1 | 3.6 | 1.5 | 0 | 0.5 | 0 | 0 | 0.8 | 7.5 | 7.1 | 2.6 | 3 | 10.2 | 3.5 | 1.1 | 0 | 0 | 0 | 1.6 | 0 |
| Precipitation hours | 17 | 24 | 11 | 0 | 0 | 12 | 1 | 0 | 10 | 10 | 11 | 4 | 5 | 7 | 0 | 3 | 0 | 0 | 2 | 16 | 19 | 10 | 11 | 17 | 10 | 8 | 0 | 0 | 0 | 8 | 0 |
| Wind speed (m/s) | 12.2 | 23 | 24.6 | 18.6 | 18.4 | 14.2 | 6.4 | 25.4 | 29.7 | 31.4 | 23.5 | 23.9 | 15.8 | 15.3 | 15.6 | 17.8 | 19.6 | 15.3 | 18.3 | 27 | 33.4 | 41.2 | 31.9 | 33.9 | 34.6 | 28.8 | 29.4 | 19.7 | 23.9 | 24.7 | 18.4 |
In December 2023, the highest daytime temperature in Opole was 11°C.
While the minimum temperature at night dropped to -10.5°C.
The average nighttime and daytime temperatures during December in Opole are -0.3°C and 4.8°C respectively.
The precipitation sum in December is about 76 mm.