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

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Highlights
- Boulder has 55.4% less rainy days than Mill Valley.
- Boulder has 3.9% less Sunny Days than Mill Valley.
- On the BestPlaces comfort index, Boulder scores 15.5% worse than Mill Valley
 Mill Valley, CABoulder, COUnited States
 Rainfall  Unlock1838
 Snowfall0  Unlock28
 Precipitation  Unlock88106
 Sunny255  Unlock205
 Avg. July High  Unlock8886
 Avg. Jan. Low43  Unlock22
 Comfort Index (higher=better)  Unlock7.17
 UV Index5.2  Unlock4.3
 Elevation  Unlock53282443
Reviews for Mill Valley    7 Reviews

I lived in southern Marin County for 20 years and lived it. Just moved  More

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Over 15 years ago

Mill Valley is a perfect place to live and raise a family, if you don't mind a cost of living index of 233. Don't distress - go mountain biking or hiking with  More

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Over 16 years ago

Good weather all year around. Great public schools. Cost of living very high. Crime low wonderful outdoor activities nearby like hiking, beaches,  More

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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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