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United States of AmericaUnited States of America Napa Valley
Napa Valley United States of America
Precipitation in August
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August Rainfall Precipitation in Napa Valley

Napa Valley is a region in the United States of America. August generally is a very dry month with an average rainfall around 0.1 mm in Napa. August is a summer month in Napa Valley. It is the driest month of the year.

Where and how much does it rain in Napa Valley in August?

Find the average total precipitation in August for the most popular destinations in Napa Valley on the map below. Click on a destination dot for more detailed information.

Weather conditions Weather
Temperatures
Precipitation
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Legend heavy rainfall high moderate low almost none
Heavy rainfall has been defined as more than 160 mm precipitation. High: 90 mm to 160 mm. Moderate: 30 mm to 90 mm. Low: 5 mm to 30 mm.

  • How much rainfall does Napa Valley receive in August?
    • In general in August it hardly rains in Napa at all. For people who want to avoid wet weather, it is a perfect month to visit. Based on climate data from the last 30 years, this month typically sees the least rain of the year.

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    • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed 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.