2026 Compare Cities Climate:
Chatham, IL vs Williamsville, IL

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Highlights
- Williamsville has 1.6% more rainy days than Chatham.
- Williamsville has 2.0% less Sunny Days than Chatham.
- On the BestPlaces comfort index, Williamsville scores 0.0% worse than Chatham
 Chatham, ILWilliamsville, ILUnited States
 Rainfall  Unlock3938
 Snowfall19  Unlock28
 Precipitation  Unlock107106
 Sunny201  Unlock205
 Avg. July High  Unlock8586
 Avg. Jan. Low18  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index3.9  Unlock4.3
 Elevation  Unlock6002443
Reviews for Chatham    1 Reviews

Over 17 years ago

Over all very good. Usually just a few severe storms and two or three heavy snow falls (8in). Seldomly snows be for Christmas. Most of the severe weather happens just  More

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Reviews for Williamsville    0 Reviews

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