Average temperature in December is 10.1 °C
Average daytime temperature is 15.9 °C
Average night temperature is 5.6 °C
Absolute maximum temperature: 24 °C
Absolute minimum temperature: -0.9 °C
Number of sunny days: 24
Number of rainy days: 7
Number of snow days:
Precipitation sum: 74 mm
* Weather data for Seymour 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 | 14.5 | 19.6 | 21.3 | 17.4 | 16.8 | 20.5 | 24 | 23.3 | 16.4 | 12.5 | 15.9 | 16.7 | 14.1 | 15.2 | 13.5 | 13.8 | 16.4 | 14.3 | 16.1 | 19.3 | 19.3 | 16.1 | 20 | 16.4 | 10.4 | 9 | 9.6 | 9.8 | 12.3 | 16.6 | 12.2 |
| Apparent max temperature | 13.1 | 12.5 | 14.4 | 12.1 | 12.7 | 16.7 | 19.3 | 19.4 | 13 | 7 | 11.8 | 12.6 | 10.8 | 10.7 | 11.7 | 10 | 14.8 | 13.4 | 10.9 | 15 | 17.9 | 15.7 | 17.7 | 14.8 | 4.4 | 4.9 | 5.6 | 5.1 | 7.5 | 12.7 | 8.3 |
| Mean temperature | 8.4 | 10.9 | 12.7 | 10.2 | 10 | 10.9 | 16.2 | 18.1 | 10.9 | 6.2 | 8.8 | 10.5 | 12.5 | 10.7 | 11.4 | 7.5 | 9.4 | 9.4 | 8.9 | 13.6 | 15 | 13.2 | 14.2 | 14.6 | 5.1 | 3.7 | 5.3 | 5.4 | 4.2 | 6 | 9 |
| Apparent mean temperature | -1.5 | 2.6 | 0 | -1.9 | 0.5 | 1.2 | 8.1 | 10.9 | 1.9 | -5.6 | -1.1 | 2.3 | 5.9 | 2.5 | 4.5 | -0.8 | 1.2 | 1 | 1.1 | 6.5 | 11.4 | 7.9 | 9.9 | 6.3 | -4.5 | -4.4 | -2.2 | -2.6 | -5.7 | -4.7 | 0.2 |
| Minimum temperature | 3.3 | 6.4 | 5.4 | 2 | 3.6 | 4.3 | 12 | 13.7 | 6.1 | -0.9 | 3 | 5.8 | 9.7 | 7 | 8 | 3.8 | 5.1 | 4.1 | 5.4 | 9.5 | 13.1 | 9.7 | 11.5 | 12.2 | 1.7 | 0.6 | 2.7 | 1.6 | -0.7 | -0.6 | 4.5 |
| Apparent min temperature | 4.6 | 6.4 | 6.7 | 5.5 | 6.3 | 7.4 | 12.2 | 14.3 | 6.2 | 0.8 | 4.2 | 6.3 | 8.3 | 6.2 | 8.8 | 3.8 | 6.2 | 6.5 | 4.6 | 9.5 | 13.4 | 11.9 | 12.4 | 12.3 | -1.1 | -0.7 | 0.5 | 1.3 | -0.3 | 2.3 | 4.6 |
| 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) | 10.1 | 10.1 | 10.1 | 10.1 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 10 | 10 |
| Sunshine duration (h) | 9 | 7 | 9 | 8.6 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8.5 | 2.3 | 5.3 | 8 | 9 | 9 | 8.9 | 6.6 | 8 | 4 | 8.9 | 3.7 | 7.3 | 8.9 | 8.9 | 7.9 | 6.9 | 8.9 | 8.9 | 8.9 |
| Precipitation (mm) | 0 | 0.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2.5 | 0.4 | 54.7 | 0 | 0 | 0 | 0 | 0 | 2.7 | 0 | 10.4 | 3.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Precipitation hours | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 2 | 11 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 6 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Wind speed (m/s) | 19.1 | 34.9 | 29.7 | 37.9 | 14.5 | 18.8 | 31.1 | 30.4 | 29.5 | 24.2 | 18.4 | 20.5 | 24.2 | 22.9 | 30.9 | 16.6 | 17.6 | 14.6 | 26.6 | 32.3 | 20.3 | 21.3 | 32.2 | 31.1 | 28.8 | 18.5 | 26.1 | 24.9 | 22.5 | 15.1 | 19.7 |
In December 2023, the highest daytime temperature in Seymour was 24°C.
While the minimum temperature at night dropped to -0.9°C.
The average nighttime and daytime temperatures during December in Seymour are 5.6°C and 15.9°C respectively.
The precipitation sum in December is about 74 mm.