2025 Compare Cities Climate:
Collinsville, IL vs Glen Carbon, IL

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Highlights
- Glen Carbon has 0.0% more rainy days than Collinsville.
- Glen Carbon has 2.5% more Sunny Days than Collinsville.
- On the BestPlaces comfort index, Glen Carbon scores 0.0% worse than Collinsville
 Collinsville, ILGlen Carbon, ILUnited States
 Rainfall  Unlock4338
 Snowfall13  Unlock28
 Precipitation  Unlock99106
 Sunny199  Unlock205
 Avg. July High  Unlock8986
 Avg. Jan. Low22  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index4.1  Unlock4.3
 Elevation  Unlock4662443
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 Glen Carbon    2 Reviews

The weather is moderate. Lovely Fall, mild winter with occaisional snow. I own a shovel but the snow melts by the time I need to use it. Rather hot August. Thunderstorms  More

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Over 18 years ago

lots of students that come and  More

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