Average temperature in January is -1 °C
Average daytime temperature is 2.9 °C
Average night temperature is -4 °C
Absolute maximum temperature: 10.7 °C
Absolute minimum temperature: -23.2 °C
Number of sunny days: 13
Number of rainy days: 10
Number of snow days: 8
Precipitation sum: 59 mm
* Weather data for Somonauk United States is based on climate observations for 2023 year
| January (°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 | 8.2 | 6.7 | 9.7 | 10.7 | 0.7 | -0.1 | 1.7 | 1.3 | 6.4 | 7.8 | 8.6 | 7.2 | 1.9 | 1.1 | 6 | 8.9 | 9.5 | 4 | 4.4 | 1.1 | 2.4 | 1.6 | -0.9 | 2.9 | 1.1 | -0.2 | 2.9 | -1 | -2.3 | -8.8 | -13.7 |
| Apparent max temperature | 6.4 | 3.7 | 8.6 | 9.1 | -3.8 | -4.8 | -1.9 | -2.3 | 1.9 | 4.7 | 6.3 | 5.3 | -2.9 | -3.4 | 0.1 | 5.1 | 5.8 | -0.6 | 1.8 | -4.6 | -2.1 | -1.9 | -6.4 | -0.9 | -3.3 | -4.6 | -2.9 | -7 | -7.2 | -13.7 | -18.9 |
| Mean temperature | 3.2 | 1.8 | 5.1 | 3.2 | -0.1 | -1.4 | -3.7 | -2.3 | -1.9 | 2.5 | 3.2 | 4 | 0.1 | -3.7 | -0.8 | 5 | 5.6 | 1.9 | 2.6 | 0.1 | -1.7 | -1 | -3.3 | -0.8 | -0.8 | -2.7 | -5.7 | -5.7 | -5.4 | -11.7 | -17.9 |
| Apparent mean temperature | -4.9 | -4.7 | -1.5 | -4.1 | -5.6 | -8.5 | -10.5 | -9.3 | -9.7 | -5.4 | -3.6 | -4.4 | -7.2 | -10.2 | -9.4 | -3.2 | -2.4 | -5 | -4.9 | -7.2 | -9.6 | -6.1 | -10 | -9.1 | -6 | -11.5 | -17.7 | -13.6 | -14.4 | -20.9 | -28.8 |
| Minimum temperature | -1 | -1.5 | 2.6 | 0.1 | -0.9 | -4 | -6.5 | -5.4 | -5.6 | -1.8 | -0.3 | 0.8 | -1.6 | -6.6 | -4.2 | 3 | 3 | -1.4 | 1.4 | -1.3 | -5.6 | -2.5 | -5.2 | -4.1 | -2 | -5.7 | -12.6 | -9.3 | -8 | -15.7 | -23.2 |
| Apparent min temperature | 0.1 | -1.2 | 1.8 | -0.8 | -4.8 | -6.2 | -7.6 | -5.9 | -6.1 | -1.1 | 0.3 | -0.3 | -5.5 | -7.9 | -6.2 | -0.2 | 0.5 | -2.5 | -1.5 | -5.8 | -6 | -4.3 | -8.5 | -5.1 | -4.8 | -7.9 | -11.6 | -10.6 | -11 | -17.3 | -23 |
| January | 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 | 9.2 | 9.3 | 9.3 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.8 | 9.8 | 9.8 | 9.9 | 9.9 | 9.9 | 10 | 10 |
| Sunshine duration (h) | 6.1 | 2.4 | 0 | 0 | 0 | 8 | 8 | 3.6 | 8.1 | 8 | 2.3 | 0 | 3.2 | 8.2 | 7.2 | 0 | 0 | 0 | 0 | 2.3 | 5.5 | 0 | 5.6 | 6.6 | 0 | 1 | 1.1 | 0 | 3.1 | 6.7 | 8.8 |
| Precipitation (mm) | 2.7 | 0 | 10.6 | 0.1 | 1.9 | 0.2 | 0 | 0 | 0 | 0.3 | 0 | 0 | 1.4 | 0 | 0 | 8.1 | 2.6 | 0 | 13.3 | 0.7 | 0 | 2.3 | 0 | 0 | 7.1 | 2.4 | 0.5 | 2 | 2 | 0.7 | 0 |
| Precipitation hours | 4 | 0 | 15 | 1 | 17 | 1 | 0 | 0 | 0 | 2 | 0 | 0 | 9 | 0 | 0 | 12 | 3 | 0 | 17 | 5 | 0 | 14 | 0 | 0 | 17 | 17 | 3 | 8 | 7 | 7 | 0 |
| Wind speed (m/s) | 13.7 | 15.3 | 20.2 | 21.3 | 19 | 19.9 | 10.2 | 8.7 | 14.5 | 15 | 11.6 | 27.7 | 23 | 12.2 | 23.3 | 24.5 | 30.3 | 21.9 | 33.2 | 28.1 | 15.5 | 13.4 | 23.5 | 18.3 | 17.6 | 22.5 | 31.5 | 23.4 | 22.8 | 16.9 | 12.6 |
In January 2023, the highest daytime temperature in Somonauk was 10.7°C.
While the minimum temperature at night dropped to -23.2°C.
The average nighttime and daytime temperatures during January in Somonauk are -4°C and 2.9°C respectively.
The precipitation sum in January is about 59 mm.