👍December is a great time to visit San Diego — expect mild days around 64°F (lows near 48°F), minimal rain, decent sunshine.
December Climate
Why This Matches
Based on your December search preferences
Avg highs of 64°F
5 rain days expected
7.9 hours of sunshine per day
70% average humidity
Year-Round Climate
Temperature
Sunshine
Rainfall
Best Time to Visit San Diego
San Diego is a strong year-round destination, but February, April, June–July, and September–December edges ahead, with highs around 70°F, minimal rainfall, 9+ hours of daily sunshine.
What to Pack
Based on December conditions in San Diego
Layered clothing — mornings and evenings can be cool
A light rain jacket is worth having, just in case
High SPF sunscreen, sunglasses, and a hat — strong sun expected
December in San Diego
Flight prices unavailable for this route
Nightly hotel rates
Budget
$54–$90
Mid-Range
$126–$216
Luxury
$270–$540
Discover Events in San Diego
About San Diego
Near-perfect weather year-round, a laid-back surf culture, and one of America's best craft beer scenes. San Diego pairs beautiful Pacific beaches with a booming food scene and easy access to Mexico just across the border.
