Average temperature in December is -1.2 °C
Average daytime temperature is 0.6 °C
Average night temperature is -3.5 °C
Absolute maximum temperature: 7.2 °C
Absolute minimum temperature: -10.6 °C
Number of sunny days: 3
Number of rainy days: 17
Number of snow days: 11
Precipitation sum: 68 mm
* Weather data for Riga Latvia 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 | -1.4 | -2.4 | -4 | -2.2 | -4.5 | -5.8 | -3.7 | -5.4 | -4.2 | -2.2 | -1.1 | -0.1 | -0.4 | -0.4 | -0.1 | 4.3 | 5.9 | 5.9 | 7.2 | 3.2 | 1.9 | 2.3 | 1.1 | 1.2 | 3.7 | 1.2 | 1.7 | 4.9 | 5.3 | 5 | 2 |
| Apparent max temperature | -4.5 | -5.6 | -8.3 | -6.7 | -8.5 | -10.2 | -9.3 | -10.1 | -9.2 | -6.7 | -5.1 | -3.1 | -3.9 | -4.9 | -4.8 | -0.7 | 1.4 | 2.7 | 2.1 | -0.1 | -2.1 | -2.1 | -2.7 | -3 | -0.7 | -2.9 | -4 | 0.1 | 1.4 | 0.7 | -3.2 |
| Mean temperature | -3.7 | -6 | -6.4 | -5.1 | -6.5 | -6.7 | -5.5 | -7.2 | -6.9 | -3.5 | -2.9 | -1 | -1.7 | -3.2 | -1.7 | 1.6 | 4 | 5.3 | 4.9 | 2.1 | 1 | 1.4 | 0.1 | -0.1 | 1 | 0.1 | 1 | 0.4 | 4.4 | 3.9 | -1.8 |
| Apparent mean temperature | -11.7 | -13.8 | -15.5 | -13.9 | -12.5 | -12.3 | -13.2 | -13.8 | -15 | -10.2 | -10.3 | -5.5 | -8.2 | -10.6 | -9.2 | -6.1 | -1.7 | 1.1 | -2.6 | -3.2 | -5 | -4.5 | -4.4 | -6.9 | -7.1 | -4.5 | -5.3 | -7.2 | -0.9 | -2.7 | -10.2 |
| Minimum temperature | -7.7 | -9.6 | -10.6 | -9.2 | -7.9 | -7.6 | -7.2 | -9 | -9.9 | -5.3 | -4.9 | -1.7 | -4.6 | -6.3 | -4.8 | -2.1 | 2.3 | 4.8 | 1.9 | 1.2 | 0.4 | 0.5 | -0.9 | -2 | -1.1 | -0.5 | 0 | -2.9 | 3.1 | 2.5 | -5.5 |
| Apparent min temperature | -7.4 | -10 | -10.5 | -9.6 | -10.7 | -11.3 | -11.1 | -12.2 | -12 | -8.3 | -7.8 | -4.4 | -5.1 | -7.1 | -6.7 | -2.4 | -0.3 | 1.9 | 0.2 | -2.2 | -3.9 | -3.5 | -3.6 | -4.7 | -4 | -3.7 | -4.7 | -4.3 | 0.2 | -0.6 | -6.5 |
| 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) | 7.2 | 7.2 | 7.1 | 7.1 | 7 | 7 | 7 | 6.9 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.8 | 6.8 | 6.8 | 6.8 | 6.8 |
| Sunshine duration (h) | 0 | 0 | 0 | 2.1 | 0.4 | 4.3 | 1.3 | 0.5 | 0 | 0.2 | 0 | 0 | 0 | 1.5 | 0.3 | 0 | 3.9 | 0 | 2.1 | 0 | 4 | 0.7 | 0 | 0 | 0 | 3.7 | 3.6 | 0 | 0 | 1 | 0 |
| Precipitation (mm) | 3 | 0.8 | 0.4 | 1.2 | 0.7 | 0 | 0 | 0.3 | 0.5 | 0 | 3.1 | 2.4 | 0.2 | 1.1 | 0.9 | 1.5 | 5.4 | 0.1 | 2.1 | 3.4 | 6.8 | 3.6 | 7.2 | 1.4 | 4.8 | 2.4 | 1.2 | 3.4 | 4.3 | 5 | 0.5 |
| Precipitation hours | 13 | 3 | 3 | 6 | 6 | 0 | 0 | 3 | 5 | 0 | 17 | 14 | 2 | 6 | 8 | 12 | 10 | 1 | 6 | 7 | 12 | 17 | 17 | 10 | 12 | 13 | 8 | 10 | 12 | 16 | 3 |
| Wind speed (m/s) | 9.4 | 10.2 | 10.6 | 14.7 | 9.7 | 13.4 | 22 | 16 | 16.3 | 16.5 | 18 | 11.2 | 9.8 | 16.3 | 24.3 | 23.7 | 28.6 | 20.5 | 29.7 | 19 | 28.8 | 23.2 | 15.8 | 18.8 | 23.5 | 20.2 | 29.4 | 24.2 | 23.4 | 22.1 | 22.9 |
In December 2023, the highest daytime temperature in Riga was 7.2°C.
While the minimum temperature at night dropped to -10.6°C.
The average nighttime and daytime temperatures during December in Riga are -3.5°C and 0.6°C respectively.
The precipitation sum in December is about 68 mm.