Weather in Saint Charles in October
Saint Charles, United States averages a high of 19.7°C (67.5°F) and low of 10.3°C (50.5°F) in October, with 8 rain days and 8.3 hours of daily sunshine. Travel score: 77/100 (Good). The best time to visit Saint Charles is September.
High
20°C67°F
Low
10°C51°F
🌧️
8
rain days
☀️
8.3
hrs/day sunshine
💧
67%
humidity
77— Good
October in Saint Charles is mild and mostly dry — good for most activities.
What are the average temperatures in Saint Charles?
How much does it rain in Saint Charles in October?
Saint Charles receives an average of 85.4mm of rainfall across 8 rainy days in October. The annual total is 1062.1mm.
What should I pack for Saint Charles in October?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
Recommended
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United States in October?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31