Average temperature in December is 0.7 °C
Average daytime temperature is 4.9 °C
Average night temperature is -2.2 °C
Absolute maximum temperature: 12.6 °C
Absolute minimum temperature: -11 °C
Number of sunny days: 14
Number of rainy days: 15
Number of snow days: 2
Precipitation sum: 174 mm
* Weather data for South Effingham United States 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 | 10.7 | 8.2 | 2.7 | 1.8 | 0 | -1.4 | -1.3 | 3.8 | 7.7 | 10.9 | 10.8 | 3.7 | 3.2 | -0.9 | 9 | 7.2 | 6.8 | 12.6 | 9.6 | 4.2 | -0.9 | 0.8 | 2.7 | 6.2 | 6.5 | 7.4 | 4.5 | 3.3 | 3 | 2.7 | 0.8 |
| Apparent max temperature | 7.3 | 5.7 | 0.2 | -0.7 | -3.3 | -5.7 | -5.5 | 0 | 5 | 9.2 | 9.7 | -1.5 | -2.6 | -6.3 | 4.7 | 4.3 | 2.9 | 10.5 | 5.4 | 0.3 | -6 | -3.4 | -1.8 | 2.9 | 4.7 | 5.1 | 2.6 | 0.9 | 0.7 | 0.2 | -3.7 |
| Mean temperature | 4.2 | 4.6 | 1.4 | -0.4 | -1.3 | -4 | -6.6 | -3.5 | 0.4 | 4.2 | 4.4 | -0.5 | 0.4 | -4.2 | 1.5 | 3.2 | 1.5 | 9 | 4.6 | -1.1 | -3.2 | -4.7 | -3.2 | 1.3 | 2.3 | 3.5 | 2.9 | 2.6 | 2 | 1.8 | -1.9 |
| Apparent mean temperature | -4.6 | -0.4 | -4 | -6 | -6.1 | -10.1 | -15.1 | -11.4 | -8.8 | -2.7 | -3.1 | -9.6 | -6.9 | -12.7 | -8.5 | -3.8 | -5.2 | -0.3 | -3.6 | -8.2 | -10.8 | -11.9 | -11.2 | -5.4 | -2.1 | -1.4 | -2.3 | -1.9 | -1.9 | -5.1 | -8.7 |
| Minimum temperature | 0.4 | 2.6 | 0.2 | -2.1 | -2.5 | -6.2 | -11 | -7.5 | -5 | 0.5 | 1.3 | -4.2 | -1.4 | -7.5 | -3.4 | 0.4 | -1.7 | 2.7 | 1.1 | -4.4 | -5.6 | -7.7 | -7.2 | -1.3 | 0.3 | 2 | 0.2 | 1.5 | 1.5 | -0.7 | -4.3 |
| Apparent min temperature | 0.1 | 2.1 | -1.8 | -4 | -4.7 | -8.2 | -10.8 | -7.5 | -2.9 | 1.8 | 1 | -5.8 | -4.7 | -9.5 | -3.4 | -0.2 | -1.9 | 6.1 | 0.6 | -4.9 | -8.2 | -8.9 | -7.6 | -2.2 | 0 | 0.6 | 0.6 | -0.7 | -1.1 | -1.1 | -6.3 |
| 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) | 9.2 | 9.2 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 8.9 | 9 | 9 | 9 |
| Sunshine duration (h) | 6.4 | 4 | 0 | 0.2 | 0.9 | 6.4 | 7.8 | 7.9 | 6 | 0 | 3.4 | 7.9 | 7.8 | 7.8 | 7.8 | 7.6 | 1.2 | 0 | 7.3 | 7.7 | 7.7 | 7.7 | 6.6 | 6 | 0.2 | 4.8 | 0 | 0 | 0 | 0 | 7.8 |
| Precipitation (mm) | 0.1 | 3.7 | 4.2 | 11.5 | 0.7 | 0 | 0 | 0 | 0 | 3.1 | 60.7 | 0 | 0 | 0.1 | 0 | 0 | 0.3 | 60.1 | 0.1 | 0 | 0 | 0 | 0 | 0.4 | 0.9 | 0 | 7.4 | 9.9 | 6.4 | 4.8 | 0 |
| Precipitation hours | 1 | 4 | 8 | 15 | 5 | 0 | 0 | 0 | 0 | 4 | 18 | 0 | 0 | 1 | 0 | 0 | 2 | 24 | 1 | 0 | 0 | 0 | 0 | 4 | 6 | 0 | 14 | 12 | 13 | 18 | 0 |
| Wind speed (m/s) | 16 | 10.2 | 14.8 | 16.1 | 7.9 | 9 | 8.1 | 10.4 | 11.5 | 13.6 | 20.3 | 19.9 | 21.5 | 17.1 | 17.2 | 14.4 | 16.6 | 33.7 | 26.8 | 13.5 | 17.2 | 10.1 | 9.5 | 9.2 | 6.6 | 12 | 8.6 | 16.6 | 15.8 | 13.4 | 13 |
In December 2023, the highest daytime temperature in South Effingham was 12.6°C.
While the minimum temperature at night dropped to -11°C.
The average nighttime and daytime temperatures during December in South Effingham are -2.2°C and 4.9°C respectively.
The precipitation sum in December is about 174 mm.