2025 Compare Cities Climate:
Simi Valley, CA vs Castle Rock, CO

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Highlights
- Castle Rock has 8.1% more rainy days than Simi Valley.
- Castle Rock has 12.3% less Sunny Days than Simi Valley.
- On the BestPlaces comfort index, Castle Rock scores 16.3% worse than Simi Valley
 Simi Valley, CACastle Rock, COUnited States
 Rainfall  Unlock1938
 Snowfall0  Unlock28
 Precipitation  Unlock70106
 Sunny277  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low42  Unlock22
 Comfort Index (higher=better)  Unlock7.27
 UV Index6  Unlock4.3
 Elevation  Unlock62242443
Reviews for Simi Valley    22 Reviews

I've live in two different neighborhoods since fall of 1996 and depending on the neighborhood you're quality of life experience will vary. The price of housing is such  More

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Over 15 years ago

I have lived in Simi Valley for 23 Years. I love it here but due to the cost of living am looking to relocate to another state/City where my money will go further. Simi  More

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Over 16 years ago

simi valley is a very nice place to live within the shadow of the LA metro area. it has low crime and reasonable housing costs with ready access to indoor and outdoor  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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