2025 Compare Cities Climate:
Potomac, MD vs Glen Ellyn, IL

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Highlights
- Glen Ellyn has 8.1% less rainy days than Potomac.
- Glen Ellyn has 5.0% less Sunny Days than Potomac.
- On the BestPlaces comfort index, Glen Ellyn scores 6.8% worse than Potomac
 Potomac, MDGlen Ellyn, ILUnited States
 Rainfall  Unlock3938
 Snowfall17  Unlock28
 Precipitation  Unlock122106
 Sunny201  Unlock205
 Avg. July High  Unlock8486
 Avg. Jan. Low25  Unlock22
 Comfort Index (higher=better)  Unlock6.87
 UV Index4.1  Unlock4.3
 Elevation  Unlock7412443
Reviews for Potomac    2 Reviews

Over 17 years ago

Spring and Fall can be quite glorious when the leaves turn or the tulips pop out and the humidity is lower. Winter, while it has some splendid "snow days," goes on much  More

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Over 17 years ago

The Potomac area in Montgomery County, Maryland, has the best of everything. High schools rated in the top 5 in the State, easy access to the Nation's Capitol,  More

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Reviews for Glen Ellyn    2 Reviews

Over 9 years ago

My husband and I moved to Glen Ellyn from Chicago in 1993 when our first child was born. One thing you should know about GE is that it is spread out and there is an "in  More

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My husband and I are life long residents of the Chicago area and have lived in Glen Ellyn since 1998. It is a comfortable, walkable, old fashion neighborhood where you  More

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