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Napa Valley United States of America
Precipitation in May
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May Rainfall Precipitation in Napa Valley

Napa Valley is a region in the United States of America. In May precipitation ranges from low in American Canyon with 13 mm of rainfall to low in Calistoga with 24 mm of rainfall.

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

Find the average total precipitation in May 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 May?
    • In Napa, May typically sees a modest rainfall of about 16 mm. For those who prefer drier conditions, this month is ideal.

  • What is the wettest city in May in Napa Valley?
    • Our data indicates that Calistoga holds the record for the most average rainfall with 24 mm.

  • What is the driest city in May in Napa Valley?
    • Based on our records, American Canyon registers the lowest average precipitation, with only 13 mm.

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