San Diego weather in December (California, United States of America)
How is December weather typically in San Diego? Wondering about the weather this month? Our guide has all the details you need.
Temperatures
The month of December in San Diego typically includes pleasant temperatures and moderate rainfall. During the day, temperatures usually reach up to 19°C. At night, they tend to fall to approximately 9°C. While this is the time of year with slightly cooler averages, it remains comfortably warm.
Precipitation
San Diego in December usually receives moderate rainfall, averaging around 59 mm for the month. Prepare for the wettest month with an umbrella to protect yourself from frequent rain. Delving into the climate records from the past 30 years, one can predict that nearly 7 days of the month will see rainfall.Average sunshine
Enjoy a sunny month with about 231 hours of sunshine, providing a cheerful and lively atmosphere.If you're looking for dry conditions and comfortable temperatures, December may not be the ideal month to visit San Diego. January, February, March, April, May, June, July, August, September, October and November typically offer the best circumstances. While December tends to showcase less optimal conditions.
For an in-depth look at the yearly conditions, visit our specialized San Diego climate page with graphs.
San Diego, monthly averages in December
Min Temperature
9°C
Max Temperature
19°C
Chance of Rain
23%
Precipitation
59 mm
Rainy days
7 days
Humidity
64%
Sunshine
231 hours
Percentage Sunshine
74%
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?
For visitors traveling to San Diego, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.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 San Diego.
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.
