Climateby Month

Anaheim, CA weather in December

NOAA 1991-2020 normals and daily records · Anaheim all year

Anaheim is mild and mostly dry in December: highs average 68°F and nights drop to about 48°F. Rain falls on about 6 days. It is one of the coolest months in Anaheim. A great month for outdoor plans.

Normal high
68°F
Normal low
48°F
Wet days
6
2.4 in total
Muggy days
0
dew point 65°F+

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high70°F69°F
Normal low49°F48°F
Chance of a wet day16%20%
Sunrise / sunset6:38 am / 4:42 pm6:56 am / 4:52 pm
Daylight10.1 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).

A typical December day

  1. 6 am51°Fdew point 39°F
  2. 9 am57°Fdew point 39°F
  3. Noon64°Fdew point 39°F
  4. 3 pm63°Fdew point 43°F
  5. 6 pm59°Fdew point 45°F
  6. 9 pm57°Fdew point 44°F

NOAA hourly normals (local standard time) from Los Angeles Intl Airport (28 mi away); average wind 6 mph; clear or few clouds in 39% of daytime hours, mostly cloudy or overcast in 38%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F22 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow6 of 31
  • Notable rainat least 0.10 in4 of 31
  • Freezing nightslow 32°F or below0 of 31

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

Rain in December

Normal precipitation is 2.4 in; a dry December brings about 0.8 in and a wet one about 3.6 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.

How December varies from year to year

  • Warmest December, 1991-20202017: average high 75°F
  • Coolest December2012: average high 64°F
  • Wettest December2010: 10.1 in
  • Driest December2000: 0.02 in
  • Highest reading90°F (December 12, 2010)
  • Lowest reading25°F (December 10, 1998)

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 high74°F68°F69°F
Normal low53°F48°F49°F
Wet days366
Comfortable days222220
Daylight10.4 h9.9 h10.2 h

Highs change by -6°F from November and +1°F into January.

Nearby alternatives in December

How Anaheim ranks in December

  • Normal high36th warmest of 378 cities; 5th of 60 in California
  • Wet days67th driest of 378
  • Comfortable days1st most of 340

Heating and cooling

December has 214 heating degree days and 5 cooling degree days (base 65°F), 10% of the year's total heating and cooling demand.

Questions

How cold is Anaheim in December?

The normal high is 68°F and the normal low is 48°F. From 1991 to 2020 the coldest December reading was 25°F (December 10, 1998).

Does it rain a lot in Anaheim in December?

About 6 days in December have at least 0.01 in of precipitation, and the normal total is 2.4 in. The wettest December in 1991-2020 was in 2010 (10.1 in); the driest was in 2000 (0.02 in).

Is December a good time to visit Anaheim?

December ranks 6th of 12 months on our comfort score for Anaheim (73 out of 100). It has about 22 comfortable days. The best month is May.

Where the numbers come from

  • Temperature: Santa Ana Fire Stn (USC00047888), 6.9 mi SSE of the city center, 135 ft . NOAA normals and daily records, 1991-2020.
  • Rain, snowfall and snow depth: Anaheim (USC00040192), 4.6 mi ENE of the city center, 235 ft (76 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Frost dates: Santa Ana John Wayne Airport (USW00093184), 11 mi SSE of the city center, 54 ft (105 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Los Angeles Intl Airport (USW00023174), 28 mi WNW of the city center, 97 ft (62 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Long Beach / Daugherty Field / Airport (722970-23129), 13 mi W of the city center, 33 ft (126 ft lower than the city). Hourly observations, 1991-2020.