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

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Highlights
- Fountain Valley has 35.5% less rainy days than Castle Rock.
- Fountain Valley has 13.6% more Sunny Days than Castle Rock.
- On the BestPlaces comfort index, Fountain Valley scores 29.2% better than Castle Rock
 Castle Rock, COFountain Valley, CAUnited States
 Rainfall  Unlock1238
 Snowfall78  Unlock28
 Precipitation  Unlock36106
 Sunny243  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock9.37
 UV Index4.8  Unlock4.3
 Elevation  Unlock302443
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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Reviews for Fountain Valley    3 Reviews

We are just average home gardeners and having lived in Fountain Valley for over 40 years, my wife and I have found the climate excellent for growing nearly ever kind of  More

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Over 18 years ago

fountain valley is nice but very expensive. Average home price will run you around $700,000.Beaches are close by. People are okay but no sense of community or sense of  More

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The weather is very moderate year-around. Warm summers, comfortable spring-time, cool  More

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