2025 Compare Cities Climate:
Glen Ellyn, IL vs Castle Rock, CO

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Highlights
- Castle Rock has 51.8% less rainy days than Glen Ellyn.
- Castle Rock has 27.2% more Sunny Days than Glen Ellyn.
- On the BestPlaces comfort index, Castle Rock scores 5.9% better than Glen Ellyn
 Glen Ellyn, ILCastle Rock, COUnited States
 Rainfall  Unlock1938
 Snowfall33  Unlock28
 Precipitation  Unlock70106
 Sunny191  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low15  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index3.4  Unlock4.3
 Elevation  Unlock62242443
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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Reviews for Castle Rock    12 Reviews

My fiance and I moved here in 2018 shortly after finishing college. I work in Colorado Springs and she works in the Denver area, so Castle Rock was practically our only  More

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Over 7 years ago

I have always been mobile for my career, until I moved to Castle Rock. I've lived in in multiple cities in the Midwest including Chicago and have visited nearly every  More

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Over 11 years ago

we have four seasons, and the rockies are only two hrs.away. so for the outdoors enthusist sking or hiking is like no other place you have been or seen it is hard to  More

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