2026 Compare Cities Climate:
Allen, TX vs Castle Rock, CO

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Highlights
- Castle Rock has 54.9% less rainy days than Allen.
- Castle Rock has 4.7% more Sunny Days than Allen.
- On the BestPlaces comfort index, Castle Rock scores 0.0% worse than Allen
 Allen, TXCastle Rock, COUnited States
 Rainfall  Unlock1938
 Snowfall2  Unlock28
 Precipitation  Unlock70106
 Sunny232  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low32  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index5.6  Unlock4.3
 Elevation  Unlock62242443
Reviews for Allen    14 Reviews

Over 9 years ago

Originally from Dallas, we moved to Allen 2013. We love the schools, my kids are getting a great education. My daughter was tested in the gifted program as soon as we  More

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Over 9 years ago

Allen is quite possibly the best city I've ever had the privilege of visiting. Everyone you meet is courteous, helpful, and respectable. The town fully supports one  More

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Over 10 years ago

We are planning a move to Allen, Texas and would like to know how many months out of the year are warm enough to swim? Getting ready to make an offer on a home and  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 8 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 12 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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