Collinsville Weather in October

October in Collinsville sees daytime temperatures around 20°C (68°F) and lows of 8°C (46°F) at night. With around 85 mm (3.3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Collinsville in October

Analyzing past climate data, one can expect approximately 9 days of rain, averaging 85 mm (3.3 in). When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Collinsville in October

Collinsville in October has perfect weather. Days reach 20°C (68°F) and nights cool to 8°C (46°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Collinsville in October

With approximately 206 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

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

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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 Collinsville's climate page.

Collinsville Temperature in October

Min Temperature 8°C (46°F)  

Max Temperature 20°C (68°F)  

Chance of Rain 30%  

Precipitation 85 mm (3.3 in)  

Rainy days 9 days  

Humidity 68% *  

Sunshine 206 hours *  

Percentage Sunshine 60% *  

* Data from: St. Louis, the United States of America (19 KM, 11 Miles).

What to Wear in Collinsville in October

Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Collinsville 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 Collinsville's climate page.

More climate data for Collinsville

Temperature Rainfall Sunshine Humidity

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