United States · December
San Diego in December
December in San Diego offers a pleasant escape from colder climes with average highs in the low 70s and plenty of sunshine. The city truly shines with its festive holiday decorations, particularly in the Gaslamp Quarter and Balboa Park, which hosts numerous seasonal events and light displays.
Is December a good time to visit San Diego?
December is a workable month for San Diego with tradeoffs. 14-19°C, mild with rain possible — Christmas Boat Parade of Lights is a major event.
What makes December worth visiting
- •Holiday festivities and decorations
- •Start of whale watching season
Events in San Diego this December
Gray whales migrate south along the coast, offering excellent viewing opportunities.
Spectacular display of decorated boats in San Diego Bay.
What to pack for San Diego in December
Winter-specific items.
Clothing
- ●Light jacket or fleece
- ●Long-sleeved shirts
- ●Short-sleeved shirts
- ●Jeans or comfortable trousers
- ●Comfortable walking shoes
Weather-Specific Gear
- ●Umbrella or light rain jacket
- ●Sunglasses
Electronics
- ●Portable power bank
- ●Camera
Health & Safety
- ●Sunscreen
- ●Basic first-aid kit
- ●Any personal medications
Miscellaneous
- ●Reusable water bottle
- ●Backpack or day bag
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