2026 Compare Cities Climate:
Collinsville, IL vs Chesterfield, MO

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Highlights
- Chesterfield has 0.5% less rainy days than Collinsville.
- Chesterfield has 1.5% more Sunny Days than Collinsville.
- On the BestPlaces comfort index, Chesterfield scores 0.0% worse than Collinsville
 Collinsville, ILChesterfield, MOUnited States
 Rainfall  Unlock4338
 Snowfall13  Unlock28
 Precipitation  Unlock103106
 Sunny199  Unlock205
 Avg. July High  Unlock8986
 Avg. Jan. Low22  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index4.1  Unlock4.3
 Elevation  Unlock4722443
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 20 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 Chesterfield    7 Reviews

I've lived in St. Louis for roughly ten years and I grew up in the surrounding area. I do not recommend St. Louis to live for two reasons: crime and the weather. A lot  More

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Over 18 years ago

The climate in Chesterfield is moderate winters, hot humid summers. The best season is spring and the worst season is winter. The worst problem with the climate in  More

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Over 18 years ago

The good things about Chesterfield are relatively inexpensive cost combined with many things to do in the area and proximity to an airport. Unlike many areas growing  More

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