San Jose weather in December (California, United States of America)

Is San Jose a good destination in December, weather-wise? Our guide gives you the essential weather details for this month.

Temperatures

Typically, December in San Jose includes moderate temperatures and moderate rainfall. December is typically considered a winter month. Daytime temperatures generally settle around 15°C, while nighttime can see a dip to about 5°C. December is characterized by some of the mildest temperatures of the year.

Precipitation

San Jose in December usually receives moderate rainfall, averaging around 63 mm for the month. It's the month with the heaviest rainfall, so an umbrella is a must to navigate the wet weather. Looking at the last 30 years, the data shows about 11 days with 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 San Jose. April, May, June, July, August, September and October typically offer the most agreeable circumstances. On the other hand, January, 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 San Jose climate page with graphs.

 

San Jose, monthly averages in December

Min Temperature 5°C  

Max Temperature 15°C  

Chance of Rain 37%  

Precipitation 63 mm  

Rainy days 11 days  

Humidity 78% *  

Sunshine 160 hours *  

Percentage Sunshine 54% *  

Data from: San Francisco, the United States of America (53 KM, 32 Miles).

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.

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

10/10

Interested in more climate information?

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

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.