Average temperature in January is -3.5 °C
Average daytime temperature is -0.2 °C
Average night temperature is -6.2 °C
Absolute maximum temperature: 4.7 °C
Absolute minimum temperature: -24.4 °C
Number of sunny days: 13
Number of rainy days: 9
Number of snow days: 9
Precipitation sum: 46 mm
* Weather data for Green Bay 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 | 4.4 | 3.3 | 2 | 4.2 | 1.6 | -1 | -1.4 | -0.5 | 0.1 | 4.7 | 2.3 | 2.8 | 1.2 | -0.5 | 3.3 | 3.4 | 4 | 3.1 | 1.2 | -1.2 | -1.5 | -3.5 | -1.4 | 0 | 0 | -1.3 | 0.7 | -1.7 | -8.5 | -11.7 | -15.1 |
| Apparent max temperature | 0.2 | 0.7 | -3.2 | 1.3 | -1.1 | -4.6 | -5.1 | -5.6 | -3 | 0.4 | -0.2 | -1.3 | -3.7 | -4.9 | -1.6 | -0.6 | 2.2 | -1.2 | -2.4 | -5.9 | -6.1 | -7.4 | -6.8 | -4.3 | -4.2 | -4.8 | -5.2 | -7.7 | -13.6 | -17 | -20.9 |
| Mean temperature | 0.6 | 0.3 | 0.2 | 2.4 | 0.3 | -2.5 | -4.7 | -5.8 | -4.4 | 0.4 | 0.5 | 0.5 | -2.6 | -5.3 | -1.3 | 2.4 | 2.9 | 1.1 | 0.4 | -2.4 | -7.1 | -5.1 | -6.1 | -3.6 | -3.4 | -3 | -6.7 | -9.4 | -10.6 | -15.5 | -20.3 |
| Apparent mean temperature | -6.3 | -5.6 | -5.7 | -4.2 | -4.4 | -7.9 | -11.5 | -12.6 | -11.8 | -8 | -4.3 | -5.5 | -10.3 | -13.3 | -9 | -4.8 | -1.5 | -4.8 | -5.4 | -10 | -18.7 | -10.9 | -12.9 | -12.5 | -12.1 | -10.1 | -17.4 | -19.4 | -18.4 | -23.8 | -29.8 |
| Minimum temperature | -2.5 | -2.1 | -2.3 | 1.1 | -0.5 | -4.2 | -7.2 | -8.4 | -6.8 | -4.1 | -0.6 | -1.7 | -4.5 | -8.9 | -4.4 | 0.3 | 1.9 | -0.3 | -0.7 | -5.5 | -13.5 | -6.8 | -8.1 | -7.9 | -7.4 | -5.6 | -12.3 | -14.5 | -13.2 | -18 | -24.4 |
| Apparent min temperature | -3.2 | -3 | -4.2 | -1.6 | -3.1 | -6.4 | -8.8 | -10.3 | -9.1 | -3.5 | -2.6 | -3.5 | -8.2 | -9.6 | -6.3 | -2.1 | -0.3 | -3.1 | -4.2 | -7.1 | -11.8 | -9.2 | -11.2 | -8.6 | -7.4 | -7.2 | -12.4 | -14.4 | -15.9 | -21.3 | -25.9 |
| 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) | 8.9 | 8.9 | 8.9 | 8.9 | 9 | 9 | 9 | 9 | 9 | 9.1 | 9.1 | 9.1 | 9.1 | 9.2 | 9.2 | 9.2 | 9.3 | 9.3 | 9.3 | 9.4 | 9.4 | 9.4 | 9.5 | 9.5 | 9.5 | 9.6 | 9.6 | 9.7 | 9.7 | 9.7 | 9.8 |
| Sunshine duration (h) | 7.8 | 5.7 | 0 | 0 | 0 | 1 | 7.9 | 7.9 | 6.6 | 0.9 | 0.5 | 0.6 | 6.1 | 8 | 4.1 | 0 | 0 | 4.2 | 0 | 5.9 | 0 | 0 | 6.5 | 6.6 | 0 | 5.1 | 0 | 2.7 | 8.1 | 8.5 | 8.7 |
| Precipitation (mm) | 0.5 | 0 | 7.2 | 1.4 | 2 | 0.1 | 0 | 0 | 0 | 0 | 0.9 | 0.1 | 0 | 0 | 0 | 7.1 | 3.8 | 0.2 | 13.4 | 0.5 | 0 | 0 | 0 | 0 | 2.1 | 2.7 | 2.4 | 0.1 | 1.4 | 0.1 | 0 |
| Precipitation hours | 3 | 0 | 11 | 7 | 13 | 1 | 0 | 0 | 0 | 0 | 6 | 1 | 0 | 0 | 0 | 11 | 13 | 2 | 17 | 5 | 0 | 0 | 0 | 0 | 10 | 14 | 7 | 1 | 8 | 1 | 0 |
| Wind speed (m/s) | 16.7 | 10.8 | 25 | 22.1 | 11.6 | 9.5 | 11.4 | 14.8 | 16.4 | 15.8 | 8.9 | 19.1 | 22.7 | 13.2 | 17.8 | 18 | 15.8 | 17.3 | 22.7 | 17.3 | 17.1 | 13.1 | 25.9 | 21.2 | 14.7 | 13.2 | 28.7 | 21.1 | 16.6 | 19.5 | 15.4 |
In January 2023, the highest daytime temperature in Green Bay was 4.7°C.
While the minimum temperature at night dropped to -24.4°C.
The average nighttime and daytime temperatures during January in Green Bay are -6.2°C and -0.2°C respectively.
The precipitation sum in January is about 46 mm.