Climateby Month

Big Bear Lake, CA weather in December

NOAA 1991-2020 normals and daily records · Big Bear Lake all year

December in Big Bear Lake: chilly and snowy. Highs 46°F, lows 24°F, about 5 days with rain or snow and about 11.0 in of snow. Expect snow on the ground at times.

Normal high
46°F
Normal low
24°F
Wet days
5
3.3 in total
Snowfall
11.0 in
normal snowfall

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high48°F46°F
Normal low25°F24°F
Chance of a wet day15%20%
Sunrise / sunset6:35 am / 4:37 pm6:53 am / 4:47 pm
Daylight10.0 h9.9 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).

What kind of days to expect

  • Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)1 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow5 of 31
  • Notable rainat least 0.10 in4 of 31
  • Freezing nightslow 32°F or below29 of 31

Average days per December, counted from daily records for each year 1991-2020.

Rain and snow in December

Normal precipitation is 3.3 in; a dry December brings about 1.3 in and a wet one about 4.5 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 11.0 in, with about 3 days of an inch or more.

How December varies from year to year

  • Warmest December, 1991-20202017: average high 54°F
  • Coolest December1992: average high 41°F
  • Wettest December2010: 16.3 in
  • Driest December1999: no measurable precipitation
  • Highest reading70°F (December 12, 2010)
  • Lowest reading2°F (December 18, 2006)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

December compared with November and January

NovemberDecemberJanuary
Normal high54°F46°F46°F
Normal low28°F24°F24°F
Wet days357
Comfortable days410
Daylight10.4 h9.9 h10.2 h

Highs change by -8°F from November and 0°F into January.

Nearby alternatives in December

How Big Bear Lake ranks in December

  • Normal high218th warmest of 378 cities; 57th of 60 in California
  • Wet days54th driest of 378

What to pack for Big Bear Lake in December

  • A warm jacket – lows near 24°F, highs near 46°F
  • Waterproof boots – about 11.0 in of snow in a typical year
  • A hat and gloves – about 29 freezing nights

Heating and cooling

December has 935 heating degree days and 0 cooling degree days (base 65°F), 15% of the year's total heating and cooling demand.

Questions

How cold is Big Bear Lake in December?

The normal high is 46°F and the normal low is 24°F. From 1991 to 2020 the coldest December reading was 2°F (December 18, 2006).

Does it rain a lot in Big Bear Lake in December?

About 5 days in December have at least 0.01 in of precipitation, and the normal total is 3.3 in. The wettest December in 1991-2020 was in 2010 (16.3 in); the driest was in 1999, with no measurable precipitation.

Does it snow in Big Bear Lake in December?

Yes. Normal snowfall in December is 11.0 in.

Is December a good time to visit Big Bear Lake?

December ranks 12th of 12 months on our comfort score for Big Bear Lake (40 out of 100). It has about 1 comfortable day (judged by temperature only). The best month is September.

Where the numbers come from

  • Temperature, rain, snowfall and frost dates: Big Bear Lake (USC00040741), 0.3 mi W of the city center, 6,753 ft . NOAA normals and daily records, 1991-2020.
  • Not available for this location: snow depth, humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).