2025 Compare Cities Climate:
Boulder, CO vs Castle Rock, CO

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Highlights
- Castle Rock has 2.8% more rainy days than Boulder.
- Castle Rock has 0.8% less Sunny Days than Boulder.
- On the BestPlaces comfort index, Castle Rock scores 1.4% better than Boulder
 Boulder, COCastle Rock, COUnited States
 Rainfall  Unlock1938
 Snowfall71  Unlock28
 Precipitation  Unlock70106
 Sunny245  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index5.8  Unlock4.3
 Elevation  Unlock62242443
Reviews for Boulder    55 Reviews

Outside of the university, Boulder had a very distinctive "wealthy hippy" feel. A lot of alternative medicine and a matching ethos. This is changing some among my  More

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We moved here from Texas about 4 years ago and love it here! The amazing sense of community and high regard for the environment are two of the main reasons we love  More

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Over 5 years ago

Most people do much worse than Boulder. I'm the most critical person I've ever met who is never happy or satisfied -- so that's a pretty huge compliment.   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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