Average temperature in December is -1.4 °C
Average daytime temperature is 2.3 °C
Average night temperature is -4.2 °C
Absolute maximum temperature: 10.9 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 15
Number of rainy days: 13
Number of snow days: 3
Precipitation sum: 49 mm
* Weather data for Borsec Romania 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 | 7.4 | 10.9 | 4.6 | -3.9 | 1.3 | 1.2 | -1.5 | 1.8 | 2.3 | 1.6 | -0.4 | 0.4 | 3.3 | 4.9 | 0.3 | 0.4 | -1.3 | 3 | 4.8 | 5.9 | -0.1 | -0.1 | -3.9 | 0.6 | 3.3 | 6.2 | 2.8 | 5.1 | 4 | 3.2 | 3.6 |
| Apparent max temperature | 3 | 6.5 | 0.6 | -9.2 | -4.1 | -2.8 | -4.4 | -1.9 | -0.8 | -1.7 | -5 | -4.1 | -0.4 | 0.4 | -2.9 | -3.9 | -6.6 | -1.8 | 0.3 | 1.9 | -5.1 | -6.5 | -9.8 | -4.8 | -1.6 | 1.6 | -1.9 | 0.8 | -0.2 | -1 | -0.4 |
| Mean temperature | 5.4 | 5.8 | -2.2 | -7 | -4.2 | -2.3 | -2.6 | -3.1 | -3.8 | -5 | -4.6 | -1.8 | 0.3 | 2 | -1.7 | -3.8 | -3.3 | -1.6 | -0.5 | -0.1 | -2.2 | -2.5 | -5.1 | -3.3 | 2.3 | 3.7 | 0.3 | -0.3 | -0.9 | -0.3 | 0.1 |
| Apparent mean temperature | -3.6 | -0.6 | -11.9 | -12.8 | -12.1 | -8.1 | -6.9 | -11.9 | -13.3 | -13.2 | -10.7 | -9.7 | -6.6 | -3.9 | -8.1 | -10 | -10.3 | -7.9 | -6.9 | -7.3 | -8.9 | -10.7 | -12.6 | -11.8 | -5.6 | -1.9 | -7.5 | -8.5 | -6.9 | -7.4 | -7.3 |
| Minimum temperature | 1.4 | 2.8 | -7.7 | -8.7 | -7.9 | -4.4 | -3.5 | -7.8 | -8.6 | -8.6 | -6.4 | -5.6 | -3 | -0.6 | -3.9 | -6.1 | -5.8 | -3.2 | -2.9 | -3.4 | -3.4 | -4.9 | -6.9 | -5.8 | 0.7 | 2.5 | -3 | -4 | -3.2 | -3.8 | -3.3 |
| Apparent min temperature | 1 | 2 | -7.4 | -11.5 | -8.5 | -6 | -5.9 | -6.5 | -7.2 | -9 | -8.8 | -5.8 | -3.1 | -2.1 | -5.4 | -7.7 | -8.4 | -6 | -4.6 | -4 | -7 | -8.3 | -11.1 | -8.9 | -3 | -0.9 | -4.4 | -4.6 | -4.7 | -4.4 | -3.8 |
| 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) | 8.8 | 8.8 | 8.8 | 8.7 | 8.7 | 8.7 | 8.7 | 8.7 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.6 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.5 | 8.6 | 8.6 | 8.6 |
| Sunshine duration (h) | 0 | 7.1 | 2.4 | 7.5 | 4.9 | 2.7 | 0 | 5.5 | 7.4 | 7.1 | 5 | 0 | 0 | 0 | 1 | 6.2 | 3 | 5.9 | 7.3 | 5.6 | 5.1 | 3 | 3.3 | 0 | 0 | 2.9 | 0.6 | 7.2 | 7 | 6 | 5.2 |
| Precipitation (mm) | 8 | 1.3 | 0.8 | 0 | 0 | 0.1 | 3.7 | 0 | 0 | 0 | 0 | 2.1 | 10.7 | 3.4 | 0.4 | 0.1 | 0 | 0 | 0 | 0 | 0 | 6 | 5.4 | 2.5 | 3.3 | 0.4 | 0.7 | 0 | 0 | 0 | 0 |
| Precipitation hours | 16 | 2 | 8 | 0 | 0 | 1 | 13 | 0 | 0 | 0 | 0 | 8 | 17 | 12 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 20 | 17 | 19 | 19 | 3 | 7 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 26.4 | 22.6 | 27.2 | 13.7 | 14.1 | 9.8 | 8.6 | 7.2 | 10.3 | 10.2 | 14.2 | 17.9 | 13.5 | 22.8 | 10.8 | 10 | 22.3 | 16.4 | 12.6 | 10 | 24.1 | 30 | 31.6 | 25 | 29 | 25.7 | 26 | 17.7 | 12.6 | 22.9 | 19.7 |
In December 2023, the highest daytime temperature in Borsec was 10.9°C.
While the minimum temperature at night dropped to -8.7°C.
The average nighttime and daytime temperatures during December in Borsec are -4.2°C and 2.3°C respectively.
The precipitation sum in December is about 49 mm.