Temperature in The Napa Valley in January

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

The Napa Valley, the United States of America, a region in the United States of America, typically experiences mild weather in January, with maximum daytime temperatures around 15°C (59°F) and nighttime temperatures around 4°C (39°F) in Napa. During January, winter is in full swing.

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

Discover the typical January temperatures for the most popular locations of the Napa Valley on the map below. Detailed insights are just a click away.

Select a Month

Check the conditions for any month of the year.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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 January

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 January: blue is cold, red is hot.

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

The Napa Valley temperatures in January: frequently asked questions

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

Expect daytime temperatures around 15°C (59°F) in Napa. That makes January a moderate month for the Napa Valley, the United States of America.

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

After dark, Napa cools to about 4°C (39°F) on an average January night.

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

Napa usually sees around 190 hours of sunlight, indicating many sunny days.

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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