2026 Compare Cities Climate:
Yountville, CA vs Mill Valley, CA

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Highlights
- Mill Valley has 30.1% more rainy days than Yountville.
- Mill Valley has 4.1% less Sunny Days than Yountville.
- On the BestPlaces comfort index, Mill Valley scores 0.0% worse than Yountville
 Yountville, CAMill Valley, CAUnited States
 Rainfall  Unlock4138
 Snowfall0  Unlock28
 Precipitation  Unlock78106
 Sunny266  Unlock205
 Avg. July High  Unlock7786
 Avg. Jan. Low38  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.4  Unlock4.3
 Elevation  Unlock822443
Reviews for Yountville    0 Reviews

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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 16 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 17 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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