2026 Compare Cities Climate:
Portland, ME vs Mill Valley, CA

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Highlights
- Mill Valley has 17.0% less rainy days than Portland.
- Mill Valley has 25.6% more Sunny Days than Portland.
- On the BestPlaces comfort index, Mill Valley scores 29.2% better than Portland
 Portland, MEMill Valley, CAUnited States
 Rainfall  Unlock4138
 Snowfall61  Unlock28
 Precipitation  Unlock78106
 Sunny203  Unlock205
 Avg. July High  Unlock7786
 Avg. Jan. Low11  Unlock22
 Comfort Index (higher=better)  Unlock8.47
 UV Index2.8  Unlock4.3
 Elevation  Unlock822443
Reviews for Portland    35 Reviews

Used to be great before the pandemic. Now people from out of state have ruined it by paying New York prices for real estate site unseen. Why would you live in Maine when  More

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Over 5 years ago

I have never lived here but the lack of Jimmy John’s is depressing and makes me wish I was deceased.  More

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Reggie · 
Over 8 years ago

I found out I was allergic to corn on the cob here. I would give Portland twelve thumbs downs if I could. My friend told me there was a subway here and I thought he  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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