Temperature in The Napa Valley in March

Daytime highs, nighttime lows and the warmest cities in the Napa Valley, the United States of America this March.

The Napa Valley, the United States of America, a region in the United States of America, typically experiences pleasant weather in March, with maximum daytime temperatures around 19°C (66°F) and nighttime temperatures around 6°C (43°F) in Napa.

What is the temperature of the different cities in the Napa Valley, the United States of America in March?

Curious about the March temperatures in the prime spots of the Napa Valley? Navigate the map below and tap on a destination dot for more detailed stats.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit the Napa Valley, check out our the Napa Valley's climate page.

See also: the Napa Valley weather by month.

Best Places to Visit in the Napa Valley in March

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across the Napa Valley.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in March: blue is cold, red is hot.

See all March weather averages, cities and regions in the Napa Valley

The Napa Valley temperatures in March: frequently asked questions

How hot does it get in the Napa Valley, the United States of America in March?

Daytime temperatures in Napa typically peak at 19°C (66°F) in March, putting it in the pleasant range.

How cold does it get at night in the Napa Valley, the United States of America in March?

After dark, Napa cools to about 6°C (43°F) on an average March night.

How much sun does the Napa Valley, the United States of America get in March?

Napa enjoys close to 270 hours of sunlight. This not only brightens the days but also uplifts the atmosphere during the month.

Interested in more climate information?

We have much more information about the climate in the Napa Valley.

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.

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.

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