Napa weather in December (California, United States of America)
Can you expect sunny skies in Napa in December? Is now the perfect time to visit? Find all the weather insights for this month on this page.
Temperatures
The month of December in Napa typically includes moderate temperatures and high rainfall. December is part of winter. Throughout the daytime, temperatures often hover around 14°C. However, as the sun sets and evening approaches, there's a noticeable cool-down. Temperatures gently drop to a more temperate 4°C. The temperatures in December are often the mildest compared to the rest of the year.
Precipitation
Napa in December usually receives high rainfall, averaging around 120 mm for the month. Expect frequent showers this month, so make sure to have an umbrella to keep yourself dry. The climate data from previous years indicates that there are typically about 11 days days of rain.Average sunshine
The area enjoys a balanced 160 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit Napa. April, May, June, July, August, September and October typically offer the most agreeable circumstances. On the other hand, February and December tend to be characterized by conditions that may not be as optimal.
For an in-depth look at the yearly conditions, visit our specialized Napa climate page with graphs.
Napa, monthly averages in December
Min Temperature
4°C
Max Temperature
14°C
Chance of Rain
37%
Precipitation
120 mm
Rainy days
11 days
Sunshine
160 hours *
Percentage Sunshine
55% *
Where to go in the United States of America in December
Find out more about the weather in the United States of America and which places have the best travel conditions in this month.
perfect weather
pleasant
tolerable
unpleasant
poor
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.
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.
