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

Napa Valley is a region in the United States of America. In January precipitation ranges from moderate in American Canyon with 79 mm of rainfall to high in Calistoga with 132 mm of rainfall. January is a winter month in Napa Valley.

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

Find the average total precipitation in January 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 January?
    • The January weather in Napa usually sees a balance of rain and sunshine, with typical rainfall measurements reaching about 91 mm.

  • What is the wettest city in January in Napa Valley?
    • In our records, Calistoga stands out as having an average precipitation level of 132 mm, making it the wettest location.

  • What is the driest city in January in Napa Valley?
    • Our figures indicate that American Canyon receives the least rainfall, averaging just 79 mm.

    Interested in more climate information?

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