Average temperature in January is 3.1 °C
Average daytime temperature is 7.6 °C
Average night temperature is -0.1 °C
Absolute maximum temperature: 19.4 °C
Absolute minimum temperature: -11.8 °C
Number of sunny days: 18
Number of rainy days: 9
Number of snow days: 4
Precipitation sum: 82 mm
* Weather data for Vandalia United States is based on climate observations for 2023 year
| Gennaio (°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 | 12.6 | 14.7 | 19.4 | 15.3 | 3.9 | 5.7 | 5.9 | 4.2 | 7.4 | 12.4 | 15.1 | 11 | 2.6 | 2.8 | 9.1 | 12.7 | 11.8 | 5.7 | 8 | 3.8 | 4.8 | 4.9 | 6.1 | 6.7 | 4 | 0.9 | 10.6 | 11.6 | 8.2 | -1.7 | -3.2 |
| Apparent max temperature | 12 | 14.2 | 18.4 | 13.4 | -0.2 | 2.1 | 1.6 | 0.1 | 3.5 | 10.2 | 14 | 9.9 | -2.6 | -0.8 | 3.9 | 9.6 | 9 | 2.4 | 6 | -1.3 | 1.8 | 0.6 | 1.5 | 3.3 | 0.6 | -3.4 | 5 | 6.4 | 4.5 | -6.3 | -8.9 |
| Mean temperature | 8.4 | 11.4 | 16 | 7.2 | 3.2 | 1.4 | 0.6 | 1.4 | -0.6 | 5.8 | 9.2 | 7.4 | -0.2 | -2.4 | 1 | 8.2 | 8.7 | 2.8 | 5.5 | 2 | -0.1 | 0.7 | 1.8 | 1.2 | 2.2 | -1.4 | -0.7 | 4.6 | 3.7 | -4.3 | -8 |
| Apparent mean temperature | 1 | 8.5 | 12.3 | -1.9 | -2.4 | -6.5 | -7.1 | -3.4 | -8.3 | -1 | 3.7 | -2 | -8.4 | -9.8 | -7.4 | 0.8 | 1.8 | -1.6 | -2 | -5.6 | -8.1 | -7.2 | -6.1 | -6.7 | -3.6 | -8.8 | -10.7 | -4.6 | -6.6 | -11.4 | -17.3 |
| Minimum temperature | 4.6 | 9.5 | 13.5 | 2.2 | 2.1 | -2.7 | -2.8 | 0.3 | -4.5 | 2.4 | 6.5 | 3.7 | -2.6 | -6 | -3 | 6.3 | 5 | 1.6 | 3.1 | 0.1 | -4.4 | -3.4 | -1.3 | -2.9 | 0.8 | -3.8 | -5.9 | -1.3 | -1.5 | -5.7 | -11.8 |
| Apparent min temperature | 6.2 | 10.5 | 14.9 | 3 | -1.6 | -2.5 | -3.4 | -2.5 | -4.2 | 2.4 | 6.9 | 3.9 | -5.8 | -6.4 | -3.8 | 3.6 | 5.6 | -0.6 | 1.4 | -3.2 | -3.5 | -2.9 | -2.4 | -2.3 | -2 | -6.5 | -5.9 | 0.7 | -0.5 | -9.7 | -13.6 |
| Gennaio | 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) | 9.5 | 9.5 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 9.9 | 10 | 10 | 10 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 |
| Sunshine duration (h) | 0 | 0 | 3.1 | 7.1 | 1.2 | 8 | 8.3 | 3.3 | 6.9 | 8.2 | 3.5 | 0.9 | 4 | 8.7 | 8.1 | 0.1 | 8.7 | 0 | 3.4 | 6.2 | 8.9 | 3.8 | 6.6 | 5.4 | 1.1 | 6.5 | 8.9 | 8.7 | 0.3 | 0 | 8 |
| Precipitation (mm) | 0 | 0 | 24.1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0.6 | 5.9 | 0.1 | 0 | 0 | 7.2 | 0.6 | 13.3 | 10.7 | 0 | 0 | 0.9 | 0 | 0 | 14.3 | 0 | 0 | 0 | 0.5 | 2.2 | 0 |
| Precipitation hours | 0 | 0 | 13 | 0 | 0 | 0 | 0 | 9 | 0 | 0 | 2 | 12 | 1 | 0 | 0 | 11 | 2 | 9 | 5 | 0 | 0 | 4 | 0 | 0 | 18 | 0 | 0 | 0 | 4 | 7 | 0 |
| Wind speed (m/s) | 14.5 | 12.1 | 27 | 23.6 | 21.2 | 15.2 | 12 | 13.8 | 12.7 | 16.9 | 15.4 | 27.1 | 23 | 17.4 | 20.2 | 24.6 | 22.1 | 24.3 | 35.7 | 20.2 | 9.8 | 13.9 | 15.7 | 10.7 | 22.2 | 21 | 25.4 | 23.6 | 21.1 | 17.2 | 16.3 |
In January 2023, the highest daytime temperature in Vandalia was 19.4°C.
While the minimum temperature at night dropped to -11.8°C.
The average nighttime and daytime temperatures during January in Vandalia are -0.1°C and 7.6°C respectively.
The precipitation sum in January is about 82 mm.