Weather in St. Louis in October
St. Louis, United States averages a high of 20.1°C (68.2°F) and low of 10.4°C (50.7°F) in October, with 8 rain days and 8.3 hours of daily sunshine. Travel score: 77.4/100 (Good). The best time to visit St. Louis is September.
High
20°C68°F
Low
10°C51°F
🌧️
8
rain days
☀️
8.3
hrs/day sunshine
💧
66%
humidity
77— Good
October in St. Louis is mild and mostly dry — good for most activities.
What are the average temperatures in St. Louis?
How much does it rain in St. Louis in October?
St. Louis receives an average of 86.9mm of rainfall across 8 rainy days in October. The annual total is 1091.3mm.
What should I pack for St. Louis in October?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 20°C
🧴
Sunscreen SPF 30+
8 hours of sunshine daily
🕶️
Sunglasses
Protect your eyes from bright sun
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