Saint Charles Weather in October

With daytime temperatures of 17°C (63°F) and nighttime lows of 5°C (41°F), October in Saint Charles brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 77 mm (3 in) falls on average.

Rainfall in Saint Charles in October

The climate data from previous years indicates about 11 days of rain, averaging 77 mm (3 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Saint Charles in October

Temperatures in Saint Charles in October top out at 17°C (63°F) and drop to 5°C (41°F) overnight. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 5°C (41°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Saint Charles in October

Enjoy a sunny month with about 195 hours of sunshine, the clear skies make Saint Charles even more beautiful.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. September typically offers the best weather for Saint Charles.

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• January
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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 Saint Charles's climate page.

Saint Charles Temperature in October

Min Temperature 5°C (41°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 36%  

Precipitation 77 mm (3 in)  

Rainy days 11 days  

Humidity 68% *  

Sunshine 195 hours *  

Percentage Sunshine 56% *  

* Data from: Chicago, the United States of America (34 KM, 21 Miles).

What to Wear in Saint Charles 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Saint Charles in October

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

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 Saint Charles's climate page.

More climate data for Saint Charles

Temperature Rainfall Sunshine Humidity

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