
Weather · December
Temecula weather in December
Average highs of 67°F, lows of 46°F and 2.6 in of rain, from 30 years of weather records.
December is Temecula’s 11th warmest month, with average highs of 67°F and lows of 46°F. That is 7° cooler than November, and 10° below the yearly average high.
- Average high
- 67°F
- Average low
- 46°F
- Precipitation
- 2.6 in
- Wet days
- 7
- Sunrise · sunset
- 6:45 AM · 4:42 PM
December across the year
High and low Rain
What to wear in December
- Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
December is good for
What’s on in Temecula in December
- Holiday Taste of Old TownThursday, December 3 · 5:00-8:30 p.m. · Old Town Temecula
- Santa's Electric Light ParadeFriday, December 4 · 7:00 p.m. · Jefferson Ave. & Del Rio Rd. south into Old Town Temecula
- A Christmas Carol, The Musical (Temecula Valley Players)December 5 – December 13 · 7:30 p.m. Dec. 5 and 8-11; 2:00 p.m. Dec. 5, 6, 12 and 13 · Old Town Temecula Community Theater
- A Very Temecula Christmas in Old TownDecember 10 – December 12 · Boutique Crawl 2-8 p.m. Dec. 10; Cars, Cocoa & Carolers 4:30-8 p.m. Dec. 11 · Old Town Temecula
- Santa Under the Tree at the Civic CenterSaturday, December 12 · 1:00-4:00 p.m. · Temecula Civic Center, Old Town
- Rudolph the Red-Nosed Reindeer: The MusicalDecember 17 – December 23 · 7 p.m. Dec. 17, 18, 19, 21 and 23; 2 p.m. Dec. 19, 20 and 23; 5 p.m. Dec. 20 · Old Town Temecula Community Theater
- New Year's Eve Grape DropThursday, December 31 · 5:30-9:30 p.m.; drone show and grape drop at 9:00 p.m. · Civic Center Quad, Old Town Temecula
See all upcoming events and school days off.
Around Temecula
December compared with the months around it
Planning a trip? See the best time to visit Temecula and today’s forecast.
Questions
How hot does it get in Temecula in December?
Average highs are 67°F and average lows 46°F, for a daily mean of 57°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Temecula in December?
December averages 2.6 in of precipitation over about 7 days with at least 0.01 in. It is the 3rd wettest month of the year.
What time is sunset in Temecula in December?
Around mid-December the sun rises about 6:45 AM and sets about 4:42 PM, for roughly 9.9 hours of daylight.
Is December a good time to visit Temecula?
The mildest months for visiting are May, June, October. December is mild, with Christmas lights and New Year’s Eve events.
NOAA U.S. Climate Normals 1991–2020, Fallbrook 5 Ne station (4.5 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.

