Weather · December
Average highs of 67°F, lows of 48°F and 2.5 in of rain, from 30 years of weather records.
December is Pico Rivera’s coldest month, with average highs of 67°F and lows of 48°F. That is 5° cooler than November, and 7° below the yearly average high.
High and low Rain
See all upcoming events and school days off.
A look around town before you go.
A DRIVE AROUND TOWN
This recorded drive follows Whittier Boulevard from Pico Rivera toward Montebello. The film crosses city boundaries and is a creator’s recorded journey, not a live traffic feed.
Watch on YouTube ↗
THINGS TO DO · YOUTUBE SHORT
An activity Short shared by obieats.
Watch on YouTube ↗Planning a trip? See the best time to visit Pico Rivera and today’s forecast.
Average highs are 67°F and average lows 48°F, for a daily mean of 58°F. Individual days run hotter or colder than these 30-year averages.
December averages 2.5 in of precipitation over about 6 days with at least 0.01 in. It is the 3rd wettest month of the year.
Around mid-December the sun rises about 6:50 AM and sets about 4:44 PM, for roughly 9.9 hours of daylight.
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, Los Angeles Dwtn Usc Campus station (9.2 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.