Average temperature in December is 0.2 °C
Average daytime temperature is 4.9 °C
Average night temperature is -3.3 °C
Absolute maximum temperature: 9.5 °C
Absolute minimum temperature: -11.3 °C
Number of sunny days: 22
Number of rainy days: 4
Number of snow days: 5
Precipitation sum: 9 mm
* Weather data for Eureka United States 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 | 0.6 | 3.3 | 7.1 | 7.1 | 7.4 | 9.5 | 7.2 | 2.8 | -1.7 | 6.4 | 6.3 | 4.9 | 0.6 | 1.7 | 2.8 | 7.5 | 6.4 | 8.2 | 6.9 | 6.1 | 6.3 | 6.7 | 5 | -0.6 | 1.8 | 4.6 | 3 | 6.7 | 7.2 | 5.2 | 4.6 |
| Apparent max temperature | -3.8 | -1.5 | 2.5 | 4.7 | 4.4 | 4.6 | 2.2 | -1.5 | -5.9 | 3.2 | 2.7 | 1.5 | -3.5 | -1.4 | -0.7 | 4.1 | 2.8 | 3.2 | 2.3 | 2.7 | 3.4 | 3.5 | 1.9 | -4.5 | -1.9 | 2 | 0.3 | 3.8 | 3.3 | 1.3 | 1.2 |
| Mean temperature | -2.8 | -1.2 | 3 | 2.3 | 2.2 | 5.2 | 2.3 | -2.5 | -7.1 | -0.8 | 2.1 | -0.9 | -2.3 | -3.7 | -1.6 | 0.9 | 2.1 | 2.9 | 2.7 | 2.3 | 2.7 | 2.9 | -0.1 | -6.1 | -1.9 | -1 | -1.1 | 1.9 | 2.4 | 1.9 | 0.9 |
| Apparent mean temperature | -9.7 | -7.6 | -3 | -5.2 | -5.1 | -3 | -6.9 | -9.4 | -15.7 | -7.7 | -5.9 | -9.3 | -7.8 | -9.7 | -10.2 | -6.6 | -5.6 | -4.3 | -4.3 | -3.3 | -3.2 | -3.7 | -7 | -14.9 | -9.3 | -7.1 | -7.7 | -4 | -5.3 | -4.2 | -8.2 |
| Minimum temperature | -5.4 | -3.8 | 0.6 | -1.7 | -2.3 | 0.7 | -2.5 | -5.6 | -11.3 | -3.8 | -2.1 | -4.9 | -4 | -6.3 | -6.8 | -2.9 | -1.7 | -0.5 | -0.2 | -0.6 | -0.4 | -1 | -2.3 | -10.4 | -5.3 | -3.5 | -4.7 | -1.2 | -2.1 | -0.9 | -4.1 |
| Apparent min temperature | -7.1 | -5.2 | -1 | -0.7 | -0.5 | 1.4 | -2.1 | -7 | -11.4 | -4.7 | -1.5 | -5.1 | -6.1 | -7.2 | -4.8 | -2.7 | -1.8 | -1 | -1.4 | -0.7 | 0.2 | 0.3 | -4.2 | -10.5 | -5.9 | -4.3 | -4.1 | -1 | -0.7 | -1.7 | -2.8 |
| 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) | 9.6 | 9.6 | 9.6 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 |
| Sunshine duration (h) | 6.8 | 3.1 | 5.3 | 8.1 | 8.5 | 8.5 | 8.5 | 7.5 | 8.4 | 8.4 | 8.4 | 8.3 | 4.1 | 8.4 | 8.4 | 8.3 | 8.4 | 5.2 | 7.7 | 7.3 | 8.1 | 7.7 | 7.9 | 8.3 | 8.3 | 7.2 | 4.9 | 8.3 | 8.1 | 7.2 | 8.4 |
| Precipitation (mm) | 0.7 | 0.6 | 0.1 | 0 | 0 | 0 | 0.3 | 2.8 | 0 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0.4 | 0 | 3.9 | 0 | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 4 | 6 | 1 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 6 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 17 | 14.3 | 15.5 | 8.9 | 6.6 | 20 | 17.4 | 14.8 | 9.7 | 4.7 | 3.7 | 11.9 | 10.4 | 7.5 | 4 | 4.1 | 5.5 | 14.1 | 17.7 | 10.4 | 6.6 | 8.2 | 14.9 | 8.7 | 8.9 | 6.6 | 6.6 | 4.9 | 10.7 | 11.4 | 7.4 |
In December 2023, the highest daytime temperature in Eureka was 9.5°C.
While the minimum temperature at night dropped to -11.3°C.
The average nighttime and daytime temperatures during December in Eureka are -3.3°C and 4.9°C respectively.
The precipitation sum in December is about 9 mm.