Weather in St. Louis in January
St. Louis, United States averages a high of 4.5°C (40.1°F) and low of -4.2°C (24.4°F) in January, with 8 rain days and 6.1 hours of daily sunshine. Travel score: 51/100 (Mixed). The best time to visit St. Louis is September.
High
5°C40°F
Low
-4°C24°F
🌧️
8
rain days
☀️
6.1
hrs/day sunshine
💧
68%
humidity
51— Mixed
January in St. Louis is cold and mostly dry — bring heavy winter clothing.
What are the average temperatures in St. Louis?
How much does it rain in St. Louis in January?
St. Louis receives an average of 71.9mm of rainfall across 8 rainy days in January. The annual total is 1091.3mm.
What should I pack for St. Louis in January?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Heavy winter coat
Cold weather with highs around 5°C
🩳
Thermal base layers
Stay warm in freezing temperatures
🧤
Warm gloves
Cold nights around -4°C
🧣
Warm scarf
Protect against cold winds
Traveling to United States in January?
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