Mill Valley, CA is known for its mild climate and beautiful scenery. The city enjoys warm summers with temperatures usually averaging in the mid-70s Fahrenheit and cool winters with temperatures typically reaching into the low-50s Fahrenheit. The area experiences minimal rain throughout the year, making it an ideal location for outdoor activities. Mill Valley experiences a Mediterranean climate with hot dry summers and cool wet winters, making it one of the best places to spend the summer months in California.
Mill Valley (zip 94941), California gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mill Valley (zip 94941) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 260 sunny days per year in Mill Valley (zip 94941). The US average is 205 sunny days.
Mill Valley (zip 94941) gets some kind of precipitation, on average, 78 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 77 degrees
Winter Low: the January low is 43
Rain: averages 41 inches of rain a year
Snow: averages 0 inches of snow a year