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Climate in Mill Valley, California

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ClimateMill Valley, CAUnited States
Rainfall (in.)37.436.5
Snowfall (in.)0.125
Precipitation Days82100
Sunny Days255205
Avg. July High8486.5
Avg. Jan. Low39.420.5
Comfort Index (higher=better)5144
UV Index5.24.3
Elevation ft.2591,443



Mill Valley, CA, gets 37 inches of rain per year. The US average is 37. Snowfall is 0 inches. The average US city gets 25 inches of snow per year. The number of days with any measurable precipitation is 82.

On average, there are 255 sunny days per year in Mill Valley, CA. The July high is around 84 degrees. The January low is 39. Our comfort index, which is based on humidity during the hot months, is a 51 out of 100, where higher is more comfortable. The US average on the comfort index is 44.


Mill Valley Climate SperlingViews

Pristine and Costly: 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... (read more)California: Good weather all year around. Great public schools. Cost of living very high. Crime low wonderful outdoor activities nearby like hiking, beaches,... (read more)My Home Town: I grew up in Mill Valley. I went to Park Elementary School and Tamalpias High School. I have wonderful memories of Mill Valley and Marin. The mountains, fresh air, slow... (read more)Have an opinion about Mill Valley? Leave a commentTo See All SperlingViews for Mill Valley Click Here