Average temperature in December is 1.9 °C
Average daytime temperature is 4.9 °C
Average night temperature is -1.2 °C
Absolute maximum temperature: 12.3 °C
Absolute minimum temperature: -11.5 °C
Number of sunny days: 12
Number of rainy days: 15
Number of snow days: 4
Precipitation sum: 97 mm
* Weather data for Brno Czech Republic 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 | 1.8 | 0 | -1.9 | -1.5 | -0.6 | 0.2 | 1.9 | 0.8 | 0.1 | 2 | 3.4 | 8.1 | 5.1 | 7.3 | 4.1 | 7 | 7.3 | 4.2 | 4.4 | 5.7 | 7 | 5.4 | 2.5 | 8.6 | 12.3 | 10.3 | 7.9 | 5.4 | 11.6 | 10.8 | 5.8 |
| Apparent max temperature | -1.4 | -4 | -5.9 | -6.7 | -4.3 | -3 | -2 | -3.6 | -4 | -0.7 | 0.4 | 6.1 | 3.4 | 4.6 | 0.7 | 3.5 | 5.1 | 1.1 | 1.5 | 2.1 | 2.3 | 0 | -1.5 | 4.7 | 8.3 | 7 | 5.7 | 2.5 | 8.8 | 7.3 | 3.6 |
| Mean temperature | 0.1 | -1.5 | -4.9 | -5.5 | -1.8 | -1.6 | 0.9 | -1.4 | -0.5 | -0.3 | 0.9 | 3.1 | 3.8 | 4.3 | 1.8 | 1.8 | 1.8 | 1 | 0.1 | 2.5 | 5 | 3.5 | 1.4 | 5.4 | 10.3 | 8 | 4 | 3 | 4.8 | 5 | 2.7 |
| Apparent mean temperature | -4.7 | -10.3 | -12.8 | -16.3 | -8.7 | -6.6 | -5.1 | -8.3 | -5.8 | -8.3 | -5.9 | -2.8 | 0.1 | -0.8 | -5.6 | -5.4 | -6 | -5.7 | -7.9 | -7.4 | -2 | -3.2 | -5.5 | -3.3 | 4.9 | 1.6 | -1.4 | -2.3 | -3.6 | -2.9 | -4.7 |
| Minimum temperature | -1.4 | -4 | -8.7 | -11.5 | -3.6 | -3.1 | -1.8 | -4.4 | -1 | -3.8 | -2 | 0.9 | 2.9 | 2.4 | -1.9 | -1.7 | -2.1 | -2.7 | -4 | -3.6 | 1.5 | 1.6 | 0.1 | 0.2 | 8.9 | 4.6 | 1.8 | 0.7 | -0.1 | 0.1 | -1.4 |
| Apparent min temperature | -3.1 | -6.7 | -9.6 | -10.2 | -5.8 | -4.5 | -3.1 | -5.6 | -4.6 | -3.9 | -2.4 | 0.1 | 1.5 | 1.3 | -1.6 | -1.5 | -1 | -1.7 | -3.2 | -1.2 | 0.6 | -1.8 | -3 | 1.8 | 6.7 | 4.9 | 1.1 | 0.3 | 1.8 | 1.8 | -0.1 |
| 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) | 8.5 | 8.5 | 8.5 | 8.4 | 8.4 | 8.4 | 8.4 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.3 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.2 | 8.3 | 8.3 |
| Sunshine duration (h) | 0 | 0 | 5.3 | 5 | 0.8 | 0 | 2.2 | 4.8 | 0 | 2.9 | 6.6 | 6 | 0 | 1.6 | 0 | 3.4 | 6.8 | 6.9 | 6.8 | 0.4 | 0.5 | 5.7 | 0 | 1.5 | 2.4 | 0 | 6.8 | 3.2 | 5.9 | 6.6 | 0 |
| Precipitation (mm) | 10.4 | 11.3 | 0 | 0 | 0 | 3.4 | 0 | 0 | 3.2 | 4.4 | 6.8 | 0.2 | 3.2 | 0 | 0.1 | 0 | 0 | 0 | 0 | 2.9 | 15 | 9.1 | 21.1 | 5.2 | 0.1 | 0.1 | 0 | 0.2 | 0 | 0.1 | 0.4 |
| Precipitation hours | 24 | 21 | 0 | 0 | 0 | 13 | 0 | 0 | 13 | 7 | 4 | 2 | 10 | 0 | 1 | 0 | 0 | 0 | 0 | 8 | 18 | 9 | 21 | 16 | 1 | 1 | 0 | 2 | 0 | 1 | 3 |
| Wind speed (m/s) | 12.2 | 24.1 | 23.4 | 19.6 | 17.3 | 6.4 | 19.6 | 17.6 | 18.2 | 20.4 | 12.3 | 10.9 | 9.1 | 14.7 | 13 | 13.2 | 9.4 | 7.4 | 9.9 | 19.3 | 28.7 | 36.6 | 32.9 | 21.9 | 22.6 | 20.2 | 10.1 | 10.4 | 13.8 | 18.9 | 16.3 |
In December 2023, the highest daytime temperature in Brno was 12.3°C.
While the minimum temperature at night dropped to -11.5°C.
The average nighttime and daytime temperatures during December in Brno are -1.2°C and 4.9°C respectively.
The precipitation sum in December is about 97 mm.