Climateby Month

Peoria, AZ weather in December

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

In December, Peoria sees highs around 64°F and lows around 40°F: cool and mostly dry. There are about 4 days with rain. It is one of the coolest months in Peoria. Great for outdoor plans.

Normal high
64°F
Normal low
40°F
Wet days
4
0.9 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 day9%12%
Sunrise / sunset7:15 am / 5:20 pm7:33 am / 5:30 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 (17 mi away); average wind 5 mph.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F19 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 snow4 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 0.9 in; a dry December brings about 0.1 in and a wet one about 1.3 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: 3.9 in
  • Driest December1999: 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 days244
Comfortable days191921
Daylight10.4 h10.0 h10.2 h

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

Nearby alternatives in December

How Peoria ranks in December

  • Normal high90th warmest of 378 cities; 9th of 13 in Arizona
  • Wet days17th driest of 378
  • Comfortable days15th most of 340

What to pack for Peoria in December

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

Frost in December

The first fall frost typically comes around Dec 15; in 1 year in 10 it comes before Nov 28. All frost dates for Peoria.

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 Peoria 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 Peoria in December?

About 4 days in December have at least 0.01 in of precipitation, and the normal total is 0.9 in. The wettest December in 1991-2020 was in 1992 (3.9 in); the driest was in 1999, with no measurable precipitation.

Does it snow in Peoria in December?

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

Is December a good time to visit Peoria?

December ranks 5th of 12 months on our comfort score for Peoria (70 out of 100). It has about 19 comfortable days. The best months are January and February.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Youngtown (USC00029634), 3.8 mi WNW of the city center, 1,135 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Phoenix Sky Harbor Intl Airport (USW00023183), 17 mi SE of the city center, 1,107 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Phoenix Sky Harbor Intl Airport (722780-23183), 17 mi SE of the city center, 1,113 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).