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Napa Valley United States of America
Temperatures in April
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Napa Valley temperatures in April

Napa Valley is a region in the United States of America. April in has maximum daytime temperatures ranging from pleasant in American Canyon with 20°C to high temperatures in St. Helena with 22°C. Nighttime temperatures generally drop to 8°C in St. Helena and 7°C in American Canyon.

What is the temperature of the different cities in Napa Valley in April?

Find the average daytime temperatures in April 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 very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in April in Napa Valley?
    • St. Helena tops the warmest city list in our database with average maximum daytime temperatures around 22°C and a minimum nighttime temperature of around 8°C.

  • What is the coldest city in April in Napa Valley?
    • Our database indicates that in April, American Canyon is the city with the coolest temperatures in Napa Valley. You can expect daytime highs of 20°C and nighttime lows close to 7°C.

  • How much sun does Napa Valley get in April?
    • The weather is predominantly sunny, with an estimated total of around 305 hours of sunshine in Napa. This means many sunny days, which creates a cheerful atmosphere during this month.

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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.

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