Mill Valley weather in August (California, United States of America)

Will it be rainy or sunny in Mill Valley this August? Want to know if it's a good time to visit? This page has all the weather details for the month.

Temperatures

For August, the weather in Mill Valley is generally perfect, featuring high temperatures and almost no rainfall. Throughout the day, temperatures can rise to about 23°C. At night, they generally drop to 12°C.

Precipitation

Mill Valley in August usually receives almost no rainfall, averaging around 0.3 mm for the month. This is the driest month, making it suitable for planning outdoor excursions. With little chance of rain, you can enjoy uninterrupted adventures. Based on our climate data of the past 30 years, about 0 days of rain are anticipated.

Average sunshine

The days are predominantly sunny, with an estimated total of around 288 hours of sunshine. These sun-filled days are perfect for spending time outside. Whether it's playing sports, visiting a park, or going for a bike ride.

If you're inclined towards comfortable temperatures and drier conditions, August is a prime time to visit Mill Valley. May, June, July, August, September and October typically offer the best circumstances. While January, February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Mill Valley climate page with graphs.

 

Mill Valley, monthly averages in August

Min Temperature 12°C  

Max Temperature 23°C  

Chance of Rain 1%  

Precipitation 0.3 mm  

Rainy days 0 days  

Humidity 75% *  

Sunshine 288 hours *  

Percentage Sunshine 68% *  

Data from: San Francisco, the United States of America (35 KM, 21 Miles).

Where to go in the United States of America in August

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Mill Valley, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

10/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Mill Valley.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.