Weather · December
Whittier weather in December
Average highs of 68°F, lows of 46°F and 1.9 in of rain, from 30 years of weather records.
December is Whittier’s coldest month, with average highs of 68°F and lows of 46°F. That is 6° cooler than November, and 8° below the yearly average high.
- Average high
- 68°F
- Average low
- 46°F
- Precipitation
- 1.9 in
- Wet days
- 6
- Sunrise · sunset
- 6:50 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 Whittier in December
Guides for this month: Christmas in Whittier · New Year’s Eve in Whittier.
- Ho Ho Ho-lidays at Whittwood Town CenterDecember 5 – December 12 · 5:00 p.m. - 8:00 p.m. · Whittwood Town Center, Whittier
- Nutcracker! Magical Christmas BalletSunday, December 20 · 1:30 p.m. and 6:30 p.m. · La Mirada Theatre for the Performing Arts, La Mirada
- NYELA at Gloria Molina Grand ParkThursday, December 31 · 8:00 p.m. - 1:00 a.m. · Gloria Molina Grand Park, downtown Los Angeles
See all upcoming events and school days off.
December compared with the months around it
Planning a trip? See the best time to visit Whittier and today’s forecast.
Questions
How hot does it get in Whittier in December?
Average highs are 68°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 Whittier in December?
December averages 1.9 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 Whittier in December?
Around mid-December the sun rises about 6:50 AM and sets about 4:44 PM, for roughly 9.9 hours of daylight.
Is December a good time to visit Whittier?
The mildest months for visiting are May, June, July. December is mild, with Christmas lights and New Year’s Eve events.
NOAA U.S. Climate Normals 1991–2020, Fullerton Muni Ap station (7 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.