- Save 60% or more on selected summer holidays
- Pay low holiday deposits from £49 per person
- Destinations include the Canaries, Greece, Turkey & more
San Diego weather in December 2022
- 1919°C max day temperature
- 55 days with some rainfall
- 88°C min night temperature
- 1010 hours of daylight per day
- 0No heat & humidity
- 3737 mm of monthly rainfall
- 33 (Moderate) UV index
- 1515°C sea temperature
Recommended for California
The December weather guide for California (San Diego) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about California
How hot is it in San Diego in December?
Daytime temperatures usually reach 19°C in San Diego in December, falling to 8°C at night.
How sunny is it in San Diego in December?
There are normally 8 hours of bright sunshine each day in San Diego in December - that's 75% of daylight hours.
How warm is the sea around San Diego in December?
The average sea temperature around San Diego in December is 15°C.
Does it rain in San Diego in December?
There are usually 5 days with some rain in San Diego in December and the average monthly rainfall is 37mm.
San Diego December sunrise & sunset times
Browse the sunrise and sunset times for San Diego in December 2022. Select a month to view San Diego sunrise and sunset times for the next 12 months.
|Date||Sunrise times||Sunset times|
|Thursday, 1st December 2022||06:33||16:42|
|Friday, 16th December 2022||06:44||16:45|
|Saturday, 31st December 2022||06:51||16:53|
Get your weekly fix of holiday inspiration from some of the world's best travel writers plus save on your next trip with the latest exclusive offers
We promise not to share your details
Popular travel offers
*affiliate links: find out how we are funded and why this helps us remain free to use.