2025 Compare Cities Climate:
Guerneville, CA vs Collinsville, IL

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Highlights
- Collinsville has 3.9% more rainy days than Guerneville.
- Collinsville has 23.8% less Sunny Days than Guerneville.
- On the BestPlaces comfort index, Collinsville scores 13.3% worse than Guerneville
 Guerneville, CACollinsville, ILUnited States
 Rainfall  Unlock4338
 Snowfall0  Unlock28
 Precipitation  Unlock102106
 Sunny261  Unlock205
 Avg. July High  Unlock8986
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index4.9  Unlock4.3
 Elevation  Unlock5612443
Reviews for Guerneville    1 Reviews

Guernevill is on the Russian River and is a beautiful place. It is an old resort town and much of the vacancy rate is due to the homes being "second vacation" homes for  More

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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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