Climateby Month

Yuma, AZ weather in December

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

In December, Yuma sees highs around 68°F and lows around 47°F: mild and dry. Rain falls on about 2 days. It is one of the coolest months in Yuma. Great for outdoor plans.

Normal high
68°F
Normal low
47°F
Wet days
2
0.4 in total
Daylight
10.0 h

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high71°F68°F
Normal low49°F47°F
Chance of a wet day6%8%
Sunrise / sunset7:22 am / 5:32 pm7:40 am / 5:42 pm
Daylight10.2 h10.0 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Arizona time (no daylight saving)).

A typical December day

  1. 6 am45°Fdew point 31°F
  2. 9 am55°Fdew point 35°F
  3. Noon66°Fdew point 33°F
  4. 3 pm68°Fdew point 32°F
  5. 6 pm58°Fdew point 35°F
  6. 9 pm52°Fdew point 35°F

NOAA hourly normals (local standard time) from Imperial Co Airport (56 mi away); average wind 5 mph; clear or few clouds in 82% of daytime hours, mostly cloudy or overcast in 16%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)22 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow2 of 31
  • Notable rainat least 0.10 in1 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 0.4 in; a dry December brings about 0.0 in and a wet one about 0.6 in (25th and 75th percentiles). Days with half an inch or more are rare.

How December varies from year to year

  • Warmest December, 1991-20202017: average high 73°F
  • Coolest December1992: average high 64°F
  • Wettest December1997: 2.8 in
  • Driest December1993: no measurable precipitation
  • Highest reading83°F (December 2, 2017)
  • Lowest reading33°F (December 31, 2010)

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 high78°F68°F70°F
Normal low54°F47°F48°F
Wet days123
Comfortable days172224
Daylight10.5 h10.0 h10.3 h

Highs change by -10°F from November and +2°F into January.

Nearby alternatives in December

How Yuma ranks in December

  • Normal high43rd warmest of 378 cities; 1st of 13 in Arizona
  • Wet days4th driest of 378

Frost in December

The first fall frost typically comes around Dec 28; in 1 year in 10 it comes before Dec 11. All frost dates for Yuma.

Heating and cooling

December has 241 heating degree days and 3 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.

Questions

How cold is Yuma in December?

The normal high is 68°F and the normal low is 47°F. From 1991 to 2020 the coldest December reading was 33°F (most recently on December 31, 2010).

Does it rain a lot in Yuma in December?

About 2 days in December have at least 0.01 in of precipitation, and the normal total is 0.4 in. The wettest December in 1991-2020 was in 1997 (2.8 in); the driest was in 1993, with no measurable precipitation.

Is December a good time to visit Yuma?

December ranks 3rd of 12 months on our comfort score for Yuma (75 out of 100). It has about 22 comfortable days (judged by temperature only). The best months are January, February and December.

Where the numbers come from

  • Temperature and rain: Yuma MCAS (USW00003145), 5.2 mi S of the city center, 213 ft (72 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Snowfall, snow depth and frost dates: Yuma Quartermaster Depot (USC00029656), 0.2 mi NE of the city center, 160 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Imperial Co Airport (USW00003144), 56 mi W of the city center, -58 ft (199 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Not available for this location: daily humidity and wind (no station close enough or similar enough in elevation).