August Rainfall and Precipitation in The Napa Valley
Average rainfall, rainy days and the driest cities in the Napa Valley, the United States of America in August.
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Best Places to Visit in the Napa Valley in August
Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Napa Valley.
Monthly precipitation
0 mm (0 in) dry → 150 mm (5.9 in) wet
Marker color shows total monthly precipitation in August: pale blue is dry, deep blue is wet.
The Napa Valley precipitation in August: frequently asked questions
How much rainfall does the Napa Valley, the United States of America receive in August?
Rainfall in Napa during August is on the lighter side, averaging about 0.1 mm (0 in). Expect predominantly dry weather punctuated by short showers.
How many days does it rain in the Napa Valley, the United States of America in August?
Rainfall in Napa typically falls on roughly 0 days days in August.
Is August part of the rainy season in the Napa Valley, the United States of America?
Not really. August is outside the wettest stretch of the year in the Napa Valley, the United States of America.
Interested in more climate information?
We have much more information about the climate in the Napa Valley.
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