2025 Compare Cities Climate:
Boulder, CO vs Simi Valley, CA

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Highlights
- Simi Valley has 5.0% less rainy days than Boulder.
- Simi Valley has 13.1% more Sunny Days than Boulder.
- On the BestPlaces comfort index, Simi Valley scores 21.1% better than Boulder
 Boulder, COSimi Valley, CAUnited States
 Rainfall  Unlock1738
 Snowfall71  Unlock28
 Precipitation  Unlock35106
 Sunny245  Unlock205
 Avg. July High  Unlock9286
 Avg. Jan. Low19  Unlock22
 Comfort Index (higher=better)  Unlock8.67
 UV Index5.8  Unlock4.3
 Elevation  Unlock7682443
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 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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