Average temperature in December is -0.4 °C
Average daytime temperature is 1.2 °C
Average night temperature is -2.2 °C
Absolute maximum temperature: 7.4 °C
Absolute minimum temperature: -9.2 °C
Number of sunny days: 5
Number of rainy days: 14
Number of snow days: 12
Precipitation sum: 47 mm
* Weather data for Mērsrags 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 | 0.1 | -1 | -2.6 | -2.1 | -2.1 | -3.6 | -2.3 | -4.6 | -3 | -1.6 | 0.1 | 1.1 | -0.4 | -0.9 | 0 | 5.5 | 6.3 | 7 | 7.4 | 3.9 | 1.9 | 2.5 | 1.5 | 0.6 | 2.8 | 1.1 | 1.9 | 4.9 | 5.5 | 4.8 | 1.6 |
| Apparent max temperature | -3.9 | -5.3 | -6.4 | -6.7 | -5.7 | -7.6 | -8.3 | -9.6 | -8.2 | -6.3 | -3.7 | -1.8 | -3.9 | -4.9 | -4.1 | -0.6 | 1.9 | 3.3 | 2.2 | 0.1 | -2 | -1.4 | -2.7 | -3.7 | -2.2 | -2.5 | -4.1 | -0.1 | 1.7 | 1.2 | -3.1 |
| Mean temperature | -1.8 | -3.2 | -5.1 | -4.8 | -4 | -4.7 | -3.3 | -5 | -4.9 | -2.4 | -1.6 | 0.2 | -1.4 | -1.9 | -1.4 | 3 | 4.6 | 6.3 | 5.4 | 2.7 | 1.2 | 1.5 | 0.4 | -0.3 | 0.5 | -0.1 | 0.6 | 0.8 | 4.5 | 3.7 | -1.6 |
| Apparent mean temperature | -6.6 | -11.9 | -13 | -13 | -10.4 | -10.9 | -11.1 | -11 | -11.7 | -8.8 | -8.8 | -4.6 | -6.6 | -8.9 | -7.5 | -3.5 | -2 | 1.4 | -3 | -3 | -5.6 | -4.6 | -5.8 | -6.9 | -7.5 | -5.5 | -5.8 | -7.3 | -1 | -2.8 | -9 |
| Minimum temperature | -3.1 | -6.8 | -9.2 | -8.4 | -6.4 | -6 | -4.6 | -5.5 | -6.4 | -3.7 | -3 | -0.8 | -2.5 | -4.5 | -2.7 | 0.6 | 2.4 | 5.6 | 2.4 | 1.6 | 0.7 | 0.8 | -1 | -1.8 | -1.1 | -1.2 | -0.7 | -2.9 | 3 | 1.8 | -4 |
| Apparent min temperature | -5.6 | -7.5 | -9.2 | -9.6 | -7.9 | -9.2 | -9.2 | -10.3 | -10.1 | -7.4 | -6.8 | -3.2 | -5.1 | -6.1 | -6.3 | -1.4 | 0.2 | 2.5 | -0.1 | -1.8 | -4 | -3.5 | -3.8 | -5 | -4.7 | -4 | -4.9 | -4.2 | 0.3 | -0.4 | -6.3 |
| 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) | 7.1 | 7.1 | 7 | 7 | 7 | 6.9 | 6.9 | 6.9 | 6.8 | 6.8 | 6.8 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.6 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 | 6.7 |
| Sunshine duration (h) | 0 | 2.7 | 0 | 3.8 | 0 | 3.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3.2 | 3.9 | 0 | 2.7 | 0 | 3 | 0.2 | 4.6 | 1.7 | 0.3 | 1.2 | 0 | 2.9 | 1.5 | 0 | 0 | 0 | 0 |
| Precipitation (mm) | 0.9 | 0.6 | 0.1 | 0.2 | 0 | 0 | 0.4 | 1.2 | 0.2 | 0.1 | 3.5 | 1 | 0.2 | 0.5 | 1.1 | 0.3 | 3 | 0 | 1.3 | 1.4 | 4.5 | 5.4 | 5.1 | 1.4 | 3.9 | 1 | 0 | 3.2 | 5.4 | 1.2 | 0 |
| Precipitation hours | 6 | 5 | 1 | 2 | 0 | 0 | 4 | 10 | 2 | 1 | 18 | 7 | 2 | 5 | 9 | 3 | 8 | 0 | 6 | 6 | 9 | 14 | 17 | 1 | 9 | 8 | 0 | 8 | 10 | 10 | 0 |
| Wind speed (m/s) | 14.5 | 14.1 | 11.1 | 15.8 | 11.6 | 15.1 | 25.3 | 23.1 | 17.4 | 19.2 | 22.5 | 10.7 | 9.9 | 13.7 | 23.4 | 32.2 | 32 | 21.5 | 36.7 | 21.7 | 33.6 | 23.8 | 16.8 | 21.7 | 27.2 | 20.9 | 27.3 | 30 | 25.1 | 20.9 | 20.2 |
In December 2023, the highest daytime temperature in Mērsrags was 7.4°C.
While the minimum temperature at night dropped to -9.2°C.
The average nighttime and daytime temperatures during December in Mērsrags are -2.2°C and 1.2°C respectively.
The precipitation sum in December is about 47 mm.