Average temperature in December is 1.5 °C
Average daytime temperature is 5.7 °C
Average night temperature is -1.4 °C
Absolute maximum temperature: 12.8 °C
Absolute minimum temperature: -7.5 °C
Number of sunny days: 21
Number of rainy days: 7
Number of snow days: 3
Precipitation sum: 40 mm
* Weather data for Ackley 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 | 3.3 | 2.6 | 4 | 2.7 | 1.7 | 7.4 | 11.3 | 11.2 | 7.6 | 0.4 | 3.1 | 1.3 | 6 | 8.8 | 8.4 | 6.2 | 6 | 2.9 | 3.7 | 5.8 | 6.1 | 9.9 | 10.4 | 12.8 | 12.4 | 6.7 | 2.7 | 2.1 | 4.8 | 4.5 | -0.3 |
| Apparent max temperature | -2.4 | -1.4 | 1.2 | -2.3 | -3 | 0.5 | 7.6 | 6.6 | 4 | -4.2 | -1.4 | -4.4 | 0.7 | 4.5 | 5.1 | 3.4 | 1.6 | -1.9 | -2.6 | 1.1 | 3.3 | 8.1 | 7.1 | 9.3 | 10.1 | 3.3 | -2.5 | -2.3 | 0.7 | -0.7 | -6.4 |
| Mean temperature | -0.6 | -0.9 | 0.7 | -1.5 | -0.9 | -0.7 | 4.7 | 8 | 3.6 | -2.6 | -3.8 | -1.4 | -1.2 | 1.5 | 4 | 4.5 | 3.2 | -2.5 | -3.8 | 0 | 2.3 | 5.9 | 7.5 | 9.1 | 11.2 | 1.5 | -0.8 | -0.5 | -0.4 | -0.1 | -2 |
| Apparent mean temperature | -8.7 | -9.2 | -4.6 | -9.1 | -8.2 | -9 | -2.4 | 0.2 | -6.5 | -11.2 | -11.8 | -10.9 | -9.4 | -6.6 | -2.8 | 0.6 | -4.5 | -13.9 | -12.9 | -8.1 | -4.4 | 0.2 | 4.4 | 4 | 5.9 | -6 | -7.5 | -8.6 | -8 | -6.8 | -9.6 |
| Minimum temperature | -2.8 | -5 | -1.1 | -5.2 | -3.4 | -4.9 | 1.2 | 5 | 0.6 | -5.6 | -7.3 | -5.3 | -4.8 | -2.4 | 1.5 | 3.5 | -0.5 | -5.6 | -7.5 | -4 | 0.4 | 3.4 | 5.9 | 7.2 | 9.7 | 0 | -3.1 | -3.5 | -2.8 | -2.5 | -3.2 |
| Apparent min temperature | -6 | -5.1 | -2.5 | -5.4 | -5.7 | -5.8 | 0.6 | 3.8 | -2 | -8.4 | -8 | -7 | -6.3 | -3.1 | 0.2 | 1.7 | -0.9 | -9.6 | -9.6 | -4.7 | -1.9 | 3.5 | 5.3 | 5.7 | 8 | -3.9 | -5.2 | -5.7 | -5.4 | -4.7 | -8.2 |
| 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) | 9.3 | 9.3 | 9.3 | 9.2 | 9.2 | 9.2 | 9.2 | 9.2 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 | 9.1 |
| Sunshine duration (h) | 3.4 | 0.7 | 7.7 | 2.7 | 2.8 | 8 | 8 | 6.8 | 1.3 | 8 | 7.9 | 7.9 | 7.9 | 7.9 | 3.6 | 0 | 7.9 | 7.9 | 3.6 | 7.6 | 0.1 | 0 | 4.9 | 0 | 0 | 0 | 2.1 | 0.1 | 7.9 | 7.8 | 2.5 |
| Precipitation (mm) | 0 | 0 | 0.1 | 0 | 0.6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.7 | 0 | 0 | 0 | 0 | 0 | 0.2 | 0.2 | 2.8 | 31.1 | 0.4 | 0.8 | 0 | 0 | 0 | 0.6 |
| Precipitation hours | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 3 | 24 | 2 | 5 | 0 | 0 | 0 | 6 |
| Wind speed (m/s) | 20.7 | 13.8 | 9.3 | 19.9 | 23.7 | 27.3 | 19.7 | 22.2 | 32.2 | 34.7 | 12 | 20.2 | 13.5 | 13.4 | 14.6 | 12.2 | 21.2 | 34.1 | 23.3 | 16.2 | 14.2 | 15 | 14.9 | 29.3 | 29 | 22.2 | 19.5 | 23.8 | 23.4 | 20 | 28.6 |
In December 2023, the highest daytime temperature in Ackley was 12.8°C.
While the minimum temperature at night dropped to -7.5°C.
The average nighttime and daytime temperatures during December in Ackley are -1.4°C and 5.7°C respectively.
The precipitation sum in December is about 40 mm.