Last updated: June 24, 2025
In November, the average temperature in St. Charles, United States hovers around 9°C (49°F), with a minimum dipping to -3°C (26°F) and a maximum reaching up to 26°C (78°F). Expect 78 mm (3.1 in) of precipitation spread over about 7 days, alongside an average humidity of 85%. Whether you're exploring the outdoors or enjoying indoor activities, be prepared for a mix of weather conditions!
In November in St. Charles, the average temperature is 9°C (49°F), with maximums reaching 26°C (78°F) and minimums dropping as low as -3°C (26°F). This varied climate makes it essential for travelers to pack layers for comfort, regardless of the day's weather.
In St. Charles in November, the total precipitation amount is 78 mm (3.1 in) over a duration of 7 days.
In St. Charles in November humidity is 85%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making every step outside a challenge as the moisture in the air weighs heavily and lingers, transforming even simple outings into a quest for comfort.
In St. Charles in November, 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 St. Charles.
UV Risk Categories
Weather in St. Charles varies notably across the year, with each month offering distinct climate conditions. This page compares November’s weather to other months in St. 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 |