Historic Fontana Theater

Weather · December

Fontana 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 Fontana’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 · 4:41 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 Fontana in December

See all upcoming events and school days off.

Around Fontana

Once a Rabbit Experimental Station, Now a Senior Center, Fontana
Once a Rabbit Experimental Station, Now a Senior CenterJohnwayne Stroud · CC BY-SA 3.0
Fontana, California City Hall
Fontana, California City HallJordan W. · CC BY-SA 3.0
Fontana Center Stage Theater
Fontana Center Stage TheaterJordan W. · CC BY-SA 3.0

See Fontana

A look around town before you go.

Drive through northern Fontana video thumbnail

A DRIVE AROUND TOWN

Drive through northern Fontana

A recorded drive explores northern Fontana from the road. Check present-day conditions before planning your own journey.

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 Fontana and today’s forecast.

Questions

How hot does it get in Fontana 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 Fontana 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 Fontana in December?

Around mid-December the sun rises about 6:48 AM and sets about 4:41 PM, for roughly 9.9 hours of daylight.

Is December a good time to visit Fontana?

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 (9.7 mi from downtown). Sunrise and sunset are calculated for December 15 at the city’s coordinates.

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