2026 Compare Cities Climate:
Allentown, PA vs Chatham, IL

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Highlights
- Chatham has 18.2% less rainy days than Allentown.
- Chatham has 0.0% more Sunny Days than Allentown.
- On the BestPlaces comfort index, Chatham scores 1.4% better than Allentown
 Allentown, PAChatham, ILUnited States
 Rainfall  Unlock3838
 Snowfall29  Unlock28
 Precipitation  Unlock101106
 Sunny201  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low20  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index3.8  Unlock4.3
 Elevation  Unlock6042443
Reviews for Allentown    25 Reviews

Winter in Allentown is alright, mild temperatures, there isn't much snow but there are some nearby ski resorts with artificial snow. In the summer there are some fun  More

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do you like cold and snow? Allentown may not be the coldest place in the country but it gets very cold and the winter feels endless...arctic blast after another and  More

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Over 11 years ago

This is a beautiful place, kept clean by weekly street sweeping. A multitude of parks exist including the exceptional Rose Garden and sports fields, and people use them  More

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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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