Last updated: June 24, 2025
In February, the average temperature in Saint Charles, United States hovers around 6°C (42°F), with a notable minimum of -12°C (10°F) and a maximum reaching up to 25°C (78°F). This month sees precipitation totaling 93 mm (3.7 in) over approximately 12 days, while the average humidity remains high at 83%.
In February in Saint Charles, the average temperature is 6°C (42°F). Maximum temperatures can reach 25°C (78°F), while minimums can drop as low as -12°C (10°F). Be prepared for a wide range of temperatures when traveling during this month.
In Saint Charles in February, the precipitation amount is 93 mm (3.7 in) over the course of 12 days.
In Saint Charles in February, humidity is 83%. With an average temperature of 6°C (42°F), this humidity feels like a damp chill that seeps into your bones, making it essential to bundle up while exploring the area.
In Saint Charles in February, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Saint Charles.
UV Risk Categories
Weather in Saint Charles varies notably across the year, with each month offering distinct climate conditions. This page compares February’s weather to other months in Saint Charles, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 4°C (39°F) | 62 mm (2.4 inches) | 84% | moderate |
February Weather | 6°C (42°F) | 93 mm (3.7 inches) | 83% | moderate |
March Weather | 9°C (48°F) | 77 mm (3.0 inches) | 83% | high |
April Weather | 14°C (58°F) | 99 mm (3.9 inches) | 81% | very high |
May Weather | 19°C (67°F) | 118 mm (4.6 inches) | 78% | very high |
June Weather | 24°C (76°F) | 106 mm (4.2 inches) | 79% | very high |
July Weather | 27°C (81°F) | 122 mm (4.8 inches) | 74% | very high |
August Weather | 26°C (79°F) | 151 mm (5.9 inches) | 72% | very high |
September Weather | 23°C (73°F) | 91 mm (3.6 inches) | 75% | very high |
October Weather | 17°C (64°F) | 108 mm (4.2 inches) | 81% | high |
November Weather | 9°C (49°F) | 78 mm (3.1 inches) | 85% | moderate |
December Weather | 6°C (43°F) | 86 mm (3.4 inches) | 84% | moderate |