Weather · December
San Diego weather in December
Average highs of 67°F, lows of 45°F and 1.6 in of rain, from 30 years of weather records.
December is San Diego’s coldest month, with average highs of 67°F and lows of 45°F. That is 5° cooler than November, and 6° below the yearly average high.
- Average high
- 67°F
- Average low
- 45°F
- Precipitation
- 1.6 in
- Wet days
- 7
- Sunrise · sunset
- 6:43 AM · 4:43 PM
What to wear in December
- Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
What December weather is good for
What’s on in San Diego in December
Guides for this month: Christmas in San Diego · New Year’s Eve in San Diego.
- December NightsDecember 4 – December 5 · Fri. 4-10 p.m.; Sat. noon-10 p.m. · Balboa Park, San Diego
- Little Italy Tree Lighting & Christmas VillageSaturday, December 5 · 4:00 to 8:00 p.m.; tree lighting at 6:30 p.m. · Piazza della Famiglia, Little Italy; Christmas Village on India St. between W. Cedar and W. Grape
- OB Holiday ParadeSaturday, December 5 · Tree lighting 5:00 p.m.; parade 5:05 p.m. · Newport Avenue, Ocean Beach (starts at Sunset Cliffs Blvd.)
- La Jolla Christmas Parade & Holiday FestivalSunday, December 6 · Parade kicks off at 1 p.m.; festival 1-5 p.m. · Girard Ave. and Prospect St., the Village of La Jolla
- San Diego Bay Parade of LightsDecember 13 – December 20 · 5:30 p.m. both Sundays (Dec. 13 and Dec. 20) · San Diego Bay, from Shelter Island past Harbor Island, the Embarcadero and Seaport Village to the Chicano Park pier and Coronado
- Noel Noel at The Rady ShellDecember 18 – December 20 · Fri. 7:30 p.m.; Sat. 6 p.m.; Sun. 4:30 p.m. · The Rady Shell at Jacobs Park, downtown San Diego bayfront
- Jungle Bells at the San Diego ZooDecember 19 – January 3 · Evenings until 8 p.m.; closed to Jungle Bells Dec. 24 · San Diego Zoo, Balboa Park
- SeaWorld San Diego New Year's Eve FireworksThursday, December 31 · DJ party from 5 p.m.; fireworks after dark · SeaWorld San Diego, Mission Bay
See all upcoming events and school days off.
December compared with the months around it
Planning a trip? See the best time to visit San Diego and today’s forecast.
Questions
How hot does it get in San Diego in December?
Average highs are 67°F and average lows 45°F, for a daily mean of 56°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in San Diego in December?
December averages 1.6 in of precipitation over about 7 days with at least 0.01 in. It is the 4th wettest month of the year.
What time is sunset in San Diego in December?
Around mid-December the sun rises about 6:43 AM and sets about 4:43 PM, for roughly 10.0 hours of daylight.
Is December a good time to visit San Diego?
The mildest months for visiting are June, July, August. December is mild, with Christmas lights and New Year’s Eve events.
NOAA U.S. Climate Normals 1991–2020, San Diego Montgomery Fld station (1.5 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.