2025 Compare Cities Climate:
Collinsville, IL vs Somonauk, IL

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Highlights
- Somonauk has 11.4% less rainy days than Collinsville.
- Somonauk has 4.5% less Sunny Days than Collinsville.
- On the BestPlaces comfort index, Somonauk scores 4.2% worse than Collinsville
 Collinsville, ILSomonauk, ILUnited States
 Rainfall  Unlock3838
 Snowfall13  Unlock28
 Precipitation  Unlock110106
 Sunny199  Unlock205
 Avg. July High  Unlock8386
 Avg. Jan. Low22  Unlock22
 Comfort Index (higher=better)  Unlock6.97
 UV Index4.1  Unlock4.3
 Elevation  Unlock6862443
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 Somonauk    0 Reviews

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