2026 Compare Cities Climate:
Mill Valley, CA vs Foster City, CA

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Highlights
- Foster City has 53.0% less rainy days than Mill Valley.
- Foster City has 2.7% more Sunny Days than Mill Valley.
- On the BestPlaces comfort index, Foster City scores 3.6% better than Mill Valley
 Mill Valley, CAFoster City, CAUnited States
 Rainfall  Unlock1938
 Snowfall0  Unlock28
 Precipitation  Unlock62106
 Sunny255  Unlock205
 Avg. July High  Unlock7886
 Avg. Jan. Low43  Unlock22
 Comfort Index (higher=better)  Unlock8.77
 UV Index5.2  Unlock4.3
 Elevation  Unlock72443
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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Reviews for Foster City    4 Reviews

Over 18 years ago

Built on lagoons, great climate, good schools, lots of soccer and other sports for kids, plenty of parking and  More

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Over 19 years ago

A great city to raise a family, safe, great weather around the year, good schools and plenty of recreation. But only if you can afford the hight cost of  More

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Landlords are able to command and receive high rent due to the following attributes: safety, weather and cleanliness of Foster City. The lagoon, waterways and gardens  More

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