2025 Compare Cities Climate:
Mill Valley, CA vs Greenwich, CT

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Highlights
- Greenwich has 25.4% more rainy days than Mill Valley.
- Greenwich has 25.5% less Sunny Days than Mill Valley.
- On the BestPlaces comfort index, Greenwich scores 15.5% worse than Mill Valley
 Mill Valley, CAGreenwich, CTUnited States
 Rainfall  Unlock5138
 Snowfall0  Unlock28
 Precipitation  Unlock124106
 Sunny255  Unlock205
 Avg. July High  Unlock8486
 Avg. Jan. Low43  Unlock22
 Comfort Index (higher=better)  Unlock7.17
 UV Index5.2  Unlock4.3
 Elevation  Unlock1132443
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 Greenwich    2 Reviews

Over 17 years ago

Cost of Living is very high. If you can afford it, this is a very nice place to  More

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Cost of living, especially utilities is high. Even have a 'special' gas surcharge at the pump for those living (and buying) in lower Fairfield County. At the same time  More

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