Waterfall and gardens at Grand Tradition Estate in Fallbrook, photographed September 25, 2018.

Weather · December

Fallbrook 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 Fallbrook’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

  1. 68°47°Jan
  2. 67°46°Feb
  3. 70°48°Mar
  4. 72°51°Apr
  5. 75°53°May
  6. 81°56°Jun
  7. 87°60°Jul
  8. 89°62°Aug
  9. 88°62°Sep
  10. 83°58°Oct
  11. 74°52°Nov
  12. 67°46°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 Fallbrook in December

See all upcoming events.

Around Fallbrook

180925 033 Fallbrook - Grand Tradition Estate, Upper Waterfall Garden, Thespesia populnea Portea Tree, perhaps, Strelitzia
180925 033 Fallbrook - Grand Tradition Estate, Upper Waterfall Garden, Thespesia populnea Portea Tree, perhaps, Strelitzia reginaecultivar413 · CC BY 2.0
180925 030 Fallbrook - Grand Tradition Estate, Compass Garden, Aeonium haworthii, Crassula 'Crosby's Compact', x Sedeveria
180925 030 Fallbrook - Grand Tradition Estate, Compass Garden, Aeonium haworthii, Crassula 'Crosby's Compact', x Sedeveria cv, Senecio madriliscaecultivar413 · CC BY 2.0
180925 020 Fallbrook - Grand Tradition Estate, Orchid Bar Garden, Euphorbia 'Sticks on Fire', Lantana camara cvs, Crassula
180925 020 Fallbrook - Grand Tradition Estate, Orchid Bar Garden, Euphorbia 'Sticks on Fire', Lantana camara cvs, Crassula ovata 'Hobbit' and 'Crosby's Dwarf'cultivar413 · CC BY 2.0

See Fallbrook

A look around town before you go.

[4K] Fallbrook CA Walk | Rural California, Main Street & Quiet Neighborhoods video thumbnail

A WALK AROUND TOWN

[4K] Fallbrook CA Walk | Rural California, Main Street & Quiet Neighborhoods

Recorded footage by Funky Towns & Hoods. Not live road conditions.

Watch on YouTube ↗

December compared with the months around it

MonthHighLowRain
November74°F52°F1.1 in
December67°F46°F2.6 in
January68°F47°F3.2 in

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

Questions

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

Around mid-December the sun rises about 6:45 AM and sets about 4:42 PM, for roughly 10.0 hours of daylight.

Is December a good time to visit Fallbrook?

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

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