Climateby Month

Goodyear, AZ weather in December

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

In December, Goodyear sees highs around 64°F and lows around 40°F: cool and dry. Expect about 3 wet days. It is one of the coolest months in Goodyear. Good for outdoor plans.

Normal high
64°F
Normal low
40°F
Wet days
3
0.8 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 high67°F63°F
Normal low42°F40°F
Chance of a wet day8%9%
Sunrise / sunset7:15 am / 5:21 pm7:33 am / 5:31 pm
Daylight10.1 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 am47°Fdew point 33°F
  2. 9 am51°Fdew point 33°F
  3. Noon61°Fdew point 30°F
  4. 3 pm65°Fdew point 29°F
  5. 6 pm62°Fdew point 31°F
  6. 9 pm56°Fdew point 33°F

NOAA hourly normals (local standard time) from Phoenix Sky Harbor Intl Airport (20 mi away); average wind 5 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F18 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 snow3 of 31
  • Notable rainat least 0.10 in2 of 31
  • Freezing nightslow 32°F or below2 of 31

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

Rain in December

Normal precipitation is 0.8 in; a dry December brings about 0.2 in and a wet one about 1.1 in (25th and 75th percentiles). About 1 day brings half an inch or more. Snow is very rare.

How December varies from year to year

  • Warmest December, 1991-20201996: average high 71°F
  • Coolest December2019: average high 61°F
  • Wettest December1992: 4.0 in
  • Driest December1995: no measurable precipitation
  • Highest reading83°F (December 8, 1996)
  • Lowest reading27°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 high74°F64°F65°F
Normal low48°F40°F41°F
Wet days233
Comfortable days191820
Daylight10.4 h10.0 h10.2 h

Highs change by -10°F from November and +1°F into January.

Nearby alternatives in December

How Goodyear ranks in December

  • Normal high89th warmest of 378 cities; 8th of 13 in Arizona
  • Wet days5th driest of 378
  • Comfortable days17th most of 340

What to pack for Goodyear in December

  • A warm jacket – lows near 40°F, highs near 64°F

Frost in December

The first fall frost typically comes around Dec 24; in 1 year in 10 it comes before Dec 6. All frost dates for Goodyear.

Heating and cooling

December has 403 heating degree days and 0 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.

Questions

How cold is Goodyear in December?

The normal high is 64°F and the normal low is 40°F. From 1991 to 2020 the coldest December reading was 27°F (December 31, 2010).

Does it rain a lot in Goodyear in December?

About 3 days in December have at least 0.01 in of precipitation, and the normal total is 0.8 in. The wettest December in 1991-2020 was in 1992 (4.0 in); the driest was in 1995, with no measurable precipitation.

Does it snow in Goodyear in December?

Snow is very rare: the 1991-2020 normal for December rounds to 0.0 in.

Is December a good time to visit Goodyear?

December ranks 5th of 12 months on our comfort score for Goodyear (69 out of 100). It has about 18 comfortable days. The best months are January, February and November.

Where the numbers come from

  • Temperature, snowfall and snow depth: Youngtown (USC00029634), 12 mi NNE of the city center, 1,135 ft (170 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Rain: Tolleson 1 E (USC00028598), 6.7 mi E of the city center, 1,025 ft (60 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Frost dates: Litchfield Park (USC00024977), 4.4 mi N of the city center, 1,040 ft (75 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Phoenix Sky Harbor Intl Airport (USW00023183), 20 mi E of the city center, 1,107 ft (142 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Luke AFB Airport (722785-23111), 7.9 mi N of the city center, 1,085 ft (120 ft higher than the city). Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).