2025 Compare Cities Climate:
Walnut Creek, CA vs Mill Valley, CA

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Highlights
- Mill Valley has 107.1% more rainy days than Walnut Creek.
- Mill Valley has 2.7% less Sunny Days than Walnut Creek.
- On the BestPlaces comfort index, Mill Valley scores 1.2% worse than Walnut Creek
 Walnut Creek, CAMill Valley, CAUnited States
 Rainfall  Unlock4138
 Snowfall0  Unlock28
 Precipitation  Unlock78106
 Sunny262  Unlock205
 Avg. July High  Unlock7786
 Avg. Jan. Low40  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index5.4  Unlock4.3
 Elevation  Unlock822443
Reviews for Walnut Creek    16 Reviews

Apart from the congestion, Walnut Creek is one of the best places in the San Francisco Bay Area to live. It is one of the most compact/walkable cities in the entire area  More

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Over 7 years ago

Almost all of Walnut Creek water comes from Pardee dam through an enclosed pipeline. That water is direct from the high Sierras. Among the best water quality in the  More

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Over 7 years ago

I grew up in Southern California and am no stranger to a more inland California climate. Before moving to WC I lived in San Francisco for 15 years where it is obviously  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 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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