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Napa weather in August (California, United States of America)

Is August a good time to explore Napa weather-wise? Wondering about the weather this month? Our guide has all the details you need.

Temperatures

Experience perfect weather in Napa during August, featuring high temperatures and almost no rainfall. August is part of summer. Expect the temperatures during the day to hover around 29°C. At night, they will likely drop to about 13°C.

Precipitation

Napa in August usually receives almost no rainfall, averaging around 0.1 mm for the month. The driest month offers ideal conditions for outdoor fun and exploration. Enjoy the dry spell without the worry of rain disruptions. According to historical climate patterns, there are usually around 0 days days of rain.

Average sunshine

There are approximately 290 hours of sunshine this month, meaning plenty of sunny days and a vibrant atmosphere.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit. April, May, June, July, August, September and October generally stand out with the best circumstances. While February and December tend to showcase less optimal conditions.

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

 

Napa, monthly averages in August

Min TemperatureMin Temperature 13°C  
Max TemperatureMax Temperature 29°C  
Chance of RainChance of Rain 0%  
PrecipitationPrecipitation 0.1 mm  
Rainy daysRainy days 0 days  
SunshineSunshine 290 hours *  
Percentage SunshinePercentage Sunshine 71% *  
* Data from: Healdsburg, the United States of America (61 KM, 38 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.

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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?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

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

Swimming
10/10
Cycling
8/10
Walking
8/10
Barbeque
10/10
Camping
10/10
Outdoor sports
8/10

Interested in more climate information?

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

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.