Weather · December
Santa Ana weather in December
Average highs of 68°F, lows of 48°F and 2.2 in of rain, from 30 years of weather records.
December is Santa Ana’s coldest month, with average highs of 68°F and lows of 48°F. That is 6° cooler than November, and 7° below the yearly average high.
- Average high
- 68°F
- Average low
- 48°F
- Precipitation
- 2.2 in
- Wet days
- 6
- Sunrise · sunset
- 6:48 AM · 4:44 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 Santa Ana in December
Guides for this month: Christmas in Santa Ana · New Year’s Eve in Santa Ana.
- Gingerbread Wonderland and Science of GingerbreadDecember 5 – January 3 · 10:00 a.m. to 5:00 p.m. · Discovery Cube Orange County, Santa Ana
- Nutcracker for Kids with Pacific SymphonySaturday, December 5 · 10:00 and 11:30 a.m. · Renée and Henry Segerstrom Concert Hall, Costa Mesa
- International Winter Holidays Family FestivalSunday, December 6 · 11:00 a.m. to 3:00 p.m. · Key Courtyard, Bowers Museum, Santa Ana
- American Ballet Theatre's The NutcrackerDecember 10 – December 24 · Segerstrom Hall, Segerstrom Center for the Arts, Costa Mesa
- Newport Beach Christmas Boat ParadeDecember 16 – December 20 · About 6:30 p.m. nightly · Newport Harbor, Newport Beach (Marina Park is the largest free viewing area)
See all upcoming events and school days off.
December compared with the months around it
Planning a trip? See the best time to visit Santa Ana and today’s forecast.
Questions
How hot does it get in Santa Ana in December?
Average highs are 68°F and average lows 48°F, for a daily mean of 58°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Santa Ana in December?
December averages 2.2 in of precipitation over about 6 days with at least 0.01 in. It is the 3rd wettest month of the year.
What time is sunset in Santa Ana in December?
Around mid-December the sun rises about 6:48 AM and sets about 4:44 PM, for roughly 9.9 hours of daylight.
Is December a good time to visit Santa Ana?
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, Santa Ana Fire Stn station (0.1 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.