2025 Compare Cities Climate:
Collinsville, IL vs St. Charles, MO

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Highlights
- St. Charles has 1.6% less rainy days than Collinsville.
- St. Charles has 1.5% more Sunny Days than Collinsville.
- On the BestPlaces comfort index, St. Charles scores 0.0% worse than Collinsville
 Collinsville, ILSt. Charles, MOUnited States
 Rainfall  Unlock4238
 Snowfall13  Unlock28
 Precipitation  Unlock106106
 Sunny199  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low22  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index4.1  Unlock4.3
 Elevation  Unlock4922443
Reviews for Collinsville    2 Reviews

St. Louis MO metro area - Illinois area. Blistering summer weather, way below freezing winters. Almost no spring or fall. Otherwise, not a bad  More

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Over 19 years ago

Collinsville's winters rarely get a heavy snowfall. A few inches is the norm. The summers are hot and very muggy. Fall and Spring are the best times to be in  More

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Reviews for St. Charles    10 Reviews

Over 7 years ago

I grew up here and I loved everything about the county. There are thousands of little trails all over the place, so when I was a child we would always go running around  More

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Over 10 years ago

It is way too hot & humid here in the summer. Winters are great, except for a lack of  More

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Good growth, decent economics, below average politics. School system above  More

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