2026 Compare Cities Climate:
Keller, TX vs Mill Valley, CA

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Highlights
- Mill Valley has 5.2% more rainy days than Keller.
- Mill Valley has 8.5% more Sunny Days than Keller.
- On the BestPlaces comfort index, Mill Valley scores 18.3% better than Keller
 Keller, TXMill Valley, CAUnited States
 Rainfall  Unlock4138
 Snowfall1  Unlock28
 Precipitation  Unlock78106
 Sunny235  Unlock205
 Avg. July High  Unlock7786
 Avg. Jan. Low35  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.7  Unlock4.3
 Elevation  Unlock822443
Reviews for Keller    14 Reviews

Grew up here and things are heading south quickly. Affordability? That's been thrown out the window since 2014. Traffic? Be prepared to sit through unsynchronized  More

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The WORST most invasive city council you could imagine.... they want to micro manage your entire property.... After living here for over 20 years now they are telling me  More

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What I love most about Keller is that it is a wonderful smaller town raise a  More

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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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