Climateby Month

Fort Smith, AR weather in December

NOAA 1991-2020 normals and daily records · Fort Smith all year

December in Fort Smith: chilly, with some rain. Highs 53°F, lows 32°F, about 8 wet days and about 0.6 in of snow. This is the depth of winter in Fort Smith.

Normal high
53°F
Normal low
32°F
Wet days
8
3.5 in total
Snowfall
0.6 in
normal snowfall

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high57°F51°F
Normal low35°F30°F
Chance of a wet day25%25%
Sunrise / sunset7:08 am / 5:05 pm7:26 am / 5:14 pm
Daylight9.9 h9.8 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 am37°Fdew point 32°F
  2. 9 am39°Fdew point 33°F
  3. Noon47°Fdew point 34°F
  4. 3 pm51°Fdew point 33°F
  5. 6 pm46°Fdew point 33°F
  6. 9 pm42°Fdew point 33°F

NOAA hourly normals (local standard time) from Ft Smith Rgnl Airport (4 mi away); average wind 7 mph; clear or few clouds in 57% of daytime hours, mostly cloudy or overcast in 40%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F5 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 snow8 of 31
  • Notable rainat least 0.10 in5 of 31
  • Freezing nightslow 32°F or below16 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 3.5 in; a dry December brings about 2.3 in and a wet one about 4.4 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 0.6 in.

How December varies from year to year

  • Warmest December, 1991-20202015: average high 61°F
  • Coolest December2000: average high 39°F
  • Wettest December2015: 10.8 in
  • Driest December2005: 0.4 in
  • Highest reading80°F (December 3, 2012)
  • Lowest reading9°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 high63°F53°F51°F
Normal low40°F32°F30°F
Wet days788
Comfortable days1254
Daylight10.3 h9.8 h10.1 h

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

Nearby alternatives in December

How Fort Smith ranks in December

  • Normal high174th warmest of 378 cities; 2nd of 4 in Arkansas
  • Wet days141st driest of 378
  • Comfortable days128th most of 340

What to pack for Fort Smith in December

  • A warm jacket – lows near 32°F, highs near 53°F
  • A hat and gloves – about 16 freezing nights

Heating and cooling

December has 689 heating degree days and 1 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.

Questions

How cold is Fort Smith in December?

The normal high is 53°F and the normal low is 32°F. From 1991 to 2020 the coldest December reading was 9°F (December 9, 2005).

Does it rain a lot in Fort Smith in December?

About 8 days in December have at least 0.01 in of precipitation, and the normal total is 3.5 in. The wettest December in 1991-2020 was in 2015 (10.8 in); the driest was in 2005 (0.4 in).

Does it snow in Fort Smith in December?

Yes. Normal snowfall in December is 0.6 in.

Is December a good time to visit Fort Smith?

December ranks 8th of 12 months on our comfort score for Fort Smith (47 out of 100). It has about 5 comfortable days. The best month is April.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Ft Smith Rgnl Airport (USW00013964), 4.2 mi SSE of the city center, 449 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Fort Smith Regional Airport (723440-13964), 4.1 mi SSE of the city center, 448 ft . Hourly observations, 1991-2020.