St. Louis Weather in October

October in St. Louis brings pleasant temperatures, with highs of 21°C (70°F) and nights dropping to 9°C (48°F). Rainfall is on the higher side this month, averaging around 82 mm (3.2 in), so keep a rain jacket handy.

Rainfall in St. Louis in October

Expect around 9 days of rain based on historical data, with 82 mm (3.2 in) average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in St. Louis in October

Weather in St. Louis is at its perfect in October. Highs reach 21°C (70°F), while nights settle around 9°C (48°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 9°C (48°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in St. Louis in October

The city usually sees around 206 hours of sunlight, indicating many sunny days — a great month for sightseeing.

So this is a great month to visit if you prefer dry days with pleasant temperatures.

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For a detailed overview over the year and the best time to visit the United States of America, check out our St. Louis's climate page.

St. Louis Temperature in October

Min Temperature 9°C (48°F)  

Max Temperature 21°C (70°F)  

Chance of Rain 30%  

Precipitation 82 mm (3.2 in)  

Rainy days 9 days  

Humidity 68%  

Sunshine 206 hours  

Percentage Sunshine 60%  

What to Wear in St. Louis in October

Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in St. Louis in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

9/10

Walking

9/10

Barbeque

8/10

Camping

4/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our St. Louis's climate page.

More climate data for St. Louis

Temperature Rainfall Sunshine Humidity

See the full St. Louis climate overview or explore weather in the United States of America.