Weather · December
Santa Maria weather in December
Average highs of 64°F, lows of 40°F and 2.0 in of rain, from 30 years of weather records.
December is Santa Maria’s coldest month, with average highs of 64°F and lows of 40°F. That is 6° cooler than November, and 5° below the yearly average high.
- Average high
- 64°F
- Average low
- 40°F
- Precipitation
- 2.0 in
- Wet days
- 7
- Sunrise · sunset
- 7:02 AM · 4:51 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 Maria in December
Guides for this month: Christmas in Santa Maria · New Year’s Eve in Santa Maria.
- Community Christmas Tree LightingFriday, December 4 · Begins 4:30 p.m. · City Hall Courtyard, Cook Street and Broadway, Santa Maria
- Lights, Sights & Holiday Nights home decorating contest and mapFriday, December 4 · Decorated homes across Santa Maria
- Santa Maria Philharmonic Holiday Baroque ConcertFriday, December 4 · Santa Maria (venue to be announced by the Philharmonic)
- Santa Maria Christmas Parade of LightsSaturday, December 5 · 5:20 p.m. · Broadway, from Stowell Road north to Main Street, Santa Maria
- A Very Merry Holiday MarketDecember 12 – December 13 · Noon-8 p.m. both days · Santa Maria Fairpark
- El Ermitaño - PastorelaDecember 12 – December 13 · Dec. 12 at 2 and 6 p.m.; Dec. 13 at 2 p.m. · Severson Theatre, PCPA, Santa Maria
- Jingle Bell Twilight HikeSaturday, December 12 · Los Flores Ranch Park, Santa Maria
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 Maria and today’s forecast.
Questions
How hot does it get in Santa Maria in December?
Average highs are 64°F and average lows 40°F, for a daily mean of 52°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Santa Maria in December?
December averages 2.0 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 Santa Maria in December?
Around mid-December the sun rises about 7:02 AM and sets about 4:51 PM, for roughly 9.8 hours of daylight.
Is December a good time to visit Santa Maria?
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 Maria Public Ap station (3.7 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.