Napa weather in January (California, United States of America)

Is Napa a good destination in January, weather-wise? This guide provides the necessary weather information for your travel plans.

Temperatures

January in Napa generally includes moderate temperatures and moderate rainfall. January is typically considered a winter month. Daytime temperatures generally settle around 15°C, while nighttime can see a dip to about 4°C.

Precipitation

Napa in January usually receives moderate rainfall, averaging around 91 mm for the month. Records from the past 30 years suggest that around 9 days will experience rain.

Average sunshine

Expect a lot of sunshine this month, with about 190 hours of sunny weather. The abundant sunlight creates a lively and bright atmosphere.

If you prefer dry days with pleasant temperatures, April, May, June, July, August, September and October typically offer the best circumstances. While February and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Napa climate page with graphs.

 

Napa, monthly averages in January

Min Temperature 4°C  

Max Temperature 15°C  

Chance of Rain 30%  

Precipitation 91 mm  

Rainy days 9 days  

Sunshine 190 hours *  

Percentage Sunshine 60% *  

Data from: Healdsburg, the United States of America (61 KM, 38 Miles).

Where to go in the United States of America in January

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Napa.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find 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.