Average temperature in February is -0.5 °C
Average daytime temperature is 4.9 °C
Average night temperature is -4.5 °C
Absolute maximum temperature: 14.5 °C
Absolute minimum temperature: -21.2 °C
Number of sunny days: 16
Number of rainy days: 9
Number of snow days: 3
Precipitation sum: 88 mm
* Weather data for St. Charles United States is based on climate observations for 2023 year
| February (°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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | -3.5 | -1.3 | -6.4 | 4.5 | 3.2 | 6.6 | 9.7 | 5.9 | 3.5 | 1.5 | 6.7 | 9.3 | 9.1 | 11.1 | 10.1 | 1.1 | -1.7 | 6.3 | 9.7 | 7.6 | 4.3 | 0.3 | 3.9 | -1.2 | 3.5 | 9 | 14.5 | 9.8 |
| Apparent max temperature | -8.8 | -6.6 | -12.6 | -0.5 | -1.3 | 1.4 | 5 | 2.5 | 1 | -2.6 | 1.5 | 4.7 | 4.6 | 6.6 | 4.5 | -2.4 | -7.1 | 1.7 | 4.4 | 3.5 | 0.2 | -4.2 | -0.9 | -5.6 | -1.4 | 6 | 10.6 | 7.9 |
| Mean temperature | -13.9 | -5.8 | -15.4 | -7.6 | 1.8 | -2.1 | 5.4 | -0.1 | 2.2 | 0.4 | -1.5 | 2 | 4.2 | 4.2 | 7.2 | -0.3 | -6.2 | -1.7 | 5.2 | 2.3 | 0.1 | -0.3 | 1.5 | -4.7 | -1.5 | 1.1 | 6.7 | 4.2 |
| Apparent mean temperature | -26.8 | -13.7 | -26 | -20.4 | -5 | -15.1 | -3 | -8.5 | -3.6 | -6.2 | -10.6 | -6.8 | -4.4 | -4.1 | -2.1 | -8.2 | -15.7 | -13.3 | -2.7 | -7.1 | -12.4 | -6.8 | -5.8 | -12.6 | -9.5 | -7.4 | -5 | -4.6 |
| Minimum temperature | -21.1 | -8.4 | -21.2 | -15.5 | -0.5 | -9.9 | 2.4 | -4.5 | 1.2 | -1.4 | -6 | -2.5 | 0.3 | 0.2 | 4.6 | -1.7 | -11.1 | -8.3 | 2.8 | -3 | -5.5 | -1.7 | -0.4 | -7.6 | -4.6 | -3 | -0.2 | -0.5 |
| Apparent min temperature | -19.2 | -11.3 | -21.1 | -13.2 | -3.1 | -6.6 | 0 | -4 | -2 | -4.3 | -6.2 | -2.3 | -0.2 | -0.2 | 1.7 | -5.4 | -11.5 | -7.1 | -0.1 | -1.6 | -5 | -5.7 | -3.4 | -9.9 | -5.9 | -2.8 | 2.5 | 0.3 |
| February | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 10 | 10.1 | 10.1 | 10.1 | 10.2 | 10.2 | 10.3 | 10.3 | 10.3 | 10.4 | 10.4 | 10.5 | 10.5 | 10.6 | 10.6 | 10.6 | 10.7 | 10.7 | 10.8 | 10.8 | 10.9 | 10.9 | 11 | 11 | 11.1 | 11.1 | 11.1 | 11.2 |
| Sunshine duration (h) | 9 | 9.1 | 9.1 | 9.1 | 9.2 | 9.3 | 8.8 | 8.2 | 0 | 9.4 | 9.5 | 9.5 | 9.6 | 2.5 | 6.8 | 0 | 9.8 | 9.8 | 9.8 | 9.4 | 9 | 0 | 7.9 | 7.8 | 10 | 10 | 5.5 | 7.2 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 0 | 0 | 0.6 | 0 | 17.7 | 0.9 | 0 | 0 | 0 | 0.6 | 10.2 | 6 | 2.3 | 0 | 0 | 0 | 0 | 17.8 | 7.6 | 0.1 | 1.6 | 0 | 22.9 | 0 |
| Precipitation hours | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 14 | 6 | 0 | 0 | 0 | 2 | 11 | 9 | 6 | 0 | 0 | 0 | 0 | 11 | 8 | 1 | 6 | 0 | 12 | 0 |
| Wind speed (m/s) | 15.5 | 20.9 | 20.3 | 20.6 | 22.7 | 21.3 | 30.5 | 15.9 | 25 | 24.3 | 17.7 | 14.6 | 16.2 | 26.8 | 36.5 | 27 | 25.5 | 21.2 | 24.8 | 13.5 | 27.9 | 28 | 29.4 | 23.1 | 16.1 | 18.4 | 31.5 | 25.4 |
In February 2023, the highest daytime temperature in St. Charles was 14.5°C.
While the minimum temperature at night dropped to -21.2°C.
The average nighttime and daytime temperatures during February in St. Charles are -4.5°C and 4.9°C respectively.
The precipitation sum in February is about 88 mm.