Climateby Month

Grand Prairie, TX weather in December

NOAA 1991-2020 normals and daily records · Grand Prairie all year

Expect cool weather with some rain in Grand Prairie in December, with highs near 58°F and lows near 38°F. Rain falls on about 7 days. It is one of the coolest months in Grand Prairie.

Normal high
58°F
Normal low
38°F
Wet days
7
2.8 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 high61°F56°F
Normal low41°F36°F
Chance of a wet day21%22%
Sunrise / sunset7:12 am / 5:21 pm7:30 am / 5:31 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 (Central Time).

A typical December day

  1. 6 am42°Fdew point 36°F
  2. 9 am45°Fdew point 37°F
  3. Noon53°Fdew point 36°F
  4. 3 pm56°Fdew point 36°F
  5. 6 pm52°Fdew point 36°F
  6. 9 pm48°Fdew point 36°F

NOAA hourly normals (local standard time) from Dallas Ft Worth Airport (11 mi away); average wind 10 mph; clear or few clouds in 39% of daytime hours, mostly cloudy or overcast in 50%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F9 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 snow7 of 31
  • Notable rainat least 0.10 in4 of 31
  • Freezing nightslow 32°F or below8 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

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

Rain and snow in December

Normal precipitation is 2.8 in; a dry December brings about 1.3 in and a wet one about 4.1 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.2 in.

How December varies from year to year

  • Warmest December, 1991-20202015: average high 65°F
  • Coolest December2000: average high 48°F
  • Wettest December1991: 8.8 in
  • Driest December2008: 0.3 in
  • Highest reading89°F (December 3, 2005)
  • Lowest reading15°F (December 9, 2005)

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 high67°F58°F57°F
Normal low46°F38°F36°F
Wet days677
Comfortable days1599
Daylight10.5 h10.0 h10.3 h

Highs change by -9°F from November and -1°F into January.

Nearby alternatives in December

How Grand Prairie ranks in December

  • Normal high134th warmest of 378 cities; 30th of 38 in Texas
  • Wet days94th driest of 378
  • Comfortable days92nd most of 340

What to pack for Grand Prairie in December

  • A warm jacket – lows near 38°F, highs near 58°F

Heating and cooling

December has 528 heating degree days and 5 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.

Questions

How cold is Grand Prairie in December?

The normal high is 58°F and the normal low is 38°F. From 1991 to 2020 the coldest December reading was 15°F (December 9, 2005).

Does it rain a lot in Grand Prairie in December?

About 7 days in December have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest December in 1991-2020 was in 1991 (8.8 in); the driest was in 2008 (0.3 in).

Does it snow in Grand Prairie in December?

Yes. Normal snowfall in December is 0.2 in.

Is December a good time to visit Grand Prairie?

December ranks 6th of 12 months on our comfort score for Grand Prairie (55 out of 100). It has about 9 comfortable days. The best months are March and April.

Where the numbers come from

  • Temperature, rain, snowfall, humidity and wind by hour and cloud cover: Dallas Ft Worth Airport (USW00003927), 11 mi N of the city center, 560 ft . NOAA normals and daily records, 1991-2020.
  • Snow depth and frost dates: Dallas Love Fld (USW00013960), 11 mi NE of the city center, 440 ft (79 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Dallas/Ft Worth International Airport (722590-03927), 11 mi N of the city center, 544 ft . Hourly observations, 1991-2020.