Mount Jurupa rising above Jurupa Valley

Weather · December

Jurupa Valley weather in December

Average highs of 67°F, lows of 43°F and 1.5 in of rain, from 30 years of weather records.

December is Jurupa Valley’s coldest month, with average highs of 67°F and lows of 43°F. That is 8° cooler than November, and 13° below the yearly average high.

Average high
67°F
Average low
43°F
Precipitation
1.5 in
Wet days
5
Sunrise · sunset
6:48 AM · 4:42 PM

December across the year

  1. 68°44°Jan
  2. 68°45°Feb
  3. 72°47°Mar
  4. 76°50°Apr
  5. 80°55°May
  6. 87°59°Jun
  7. 93°64°Jul
  8. 95°65°Aug
  9. 91°62°Sep
  10. 83°55°Oct
  11. 75°47°Nov
  12. 67°43°Dec

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 Jurupa Valley in December

See all upcoming events.

Around Jurupa Valley

Jurupa Valley Agricultural Field
Jurupa Valley Agricultural Field 2Z3lvs · CC0
Rubidoux fieldstone shed, Jurupa Valley
Rubidoux fieldstone shed 1Seauton , 14 August 2026 · CC BY 4.0
Jurupa Valley Agricultural Field
Jurupa Valley Agricultural Field 1Z3lvs · CC0

See Jurupa Valley

A look around town before you go.

#shorts Jurupa Discovery Center video thumbnail

THINGS TO DO · YOUTUBE SHORT

#shorts Jurupa Discovery Center

A local activity Short shared by Abel Ortiz.

Watch on YouTube ↗

December compared with the months around it

MonthHighLowRain
November75°F47°F0.60 in
December67°F43°F1.5 in
January68°F44°F2.3 in

Planning a trip? See the best time to visit Jurupa Valley and today’s forecast.

Questions

How hot does it get in Jurupa Valley in December?

Average highs are 67°F and average lows 43°F, for a daily mean of 55°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Jurupa Valley in December?

December averages 1.5 in of precipitation over about 5 days with at least 0.01 in. It is the 3rd wettest month of the year.

What time is sunset in Jurupa Valley in December?

Around mid-December the sun rises about 6:48 AM and sets about 4:42 PM, for roughly 9.9 hours of daylight.

Is December a good time to visit Jurupa Valley?

The mildest months for visiting are April, May, October. December is mild, with Christmas lights and New Year’s Eve events.

NOAA U.S. Climate Normals 1991–2020, Riverside Muni Ap station (4.2 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.

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