Climateby Month

Clarksville, TN weather in December

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

In December, Clarksville sees highs around 50°F and lows around 31°F: chilly, with frequent rain. There are about 12 days with rain. It is one of the coldest months in Clarksville.

Normal high
50°F
Normal low
31°F
Wet days
12
4.9 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 high54°F47°F
Normal low33°F29°F
Chance of a wet day39%40%
Sunrise / sunset6:42 am / 4:34 pm7:01 am / 4:43 pm
Daylight9.8 h9.7 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 am36°Fdew point 32°F
  2. 9 am39°Fdew point 33°F
  3. Noon45°Fdew point 34°F
  4. 3 pm47°Fdew point 33°F
  5. 6 pm42°Fdew point 33°F
  6. 9 pm40°Fdew point 33°F

NOAA hourly normals (local standard time) from Ft Campbell AAF (12 mi away); average wind 7 mph; clear or few clouds in 38% of daytime hours, mostly cloudy or overcast in 55%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F4 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 snow12 of 31
  • Notable rainat least 0.10 in8 of 31
  • Freezing nightslow 32°F or below18 of 31

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

Rain in December

Normal precipitation is 4.9 in; a dry December brings about 3.4 in and a wet one about 6.5 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Snow is very rare.

How December varies from year to year

  • Warmest December, 1991-20202015: average high 63°F
  • Coolest December2000: average high 36°F
  • Wettest December2008: 7.9 in
  • Driest December1995: 1.9 in
  • Highest reading78°F (December 28, 2015)
  • Lowest reading4°F (December 31, 2017)

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 high60°F50°F47°F
Normal low37°F31°F28°F
Wet days111212
Comfortable days1043
Daylight10.2 h9.7 h10.0 h

Highs change by -10°F from November and -3°F into January.

Nearby alternatives in December

How Clarksville ranks in December

  • Normal high191st warmest of 378 cities; 6th of 7 in Tennessee
  • Wet days317th driest of 378
  • Comfortable days147th most of 340

What to pack for Clarksville in December

  • A warm jacket – lows near 31°F, highs near 50°F
  • A rain jacket or umbrella – rain on about 12 days
  • A hat and gloves – about 18 freezing nights

Heating and cooling

December has 757 heating degree days and 0 cooling degree days (base 65°F), 14% of the year's total heating and cooling demand.

Questions

How cold is Clarksville in December?

The normal high is 50°F and the normal low is 31°F. From 1991 to 2020 the coldest December reading was 4°F (December 31, 2017).

Does it rain a lot in Clarksville in December?

About 12 days in December have at least 0.01 in of precipitation, and the normal total is 4.9 in. The wettest December in 1991-2020 was in 2008 (7.9 in); the driest was in 1995 (1.9 in).

Does it snow in Clarksville in December?

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

Is December a good time to visit Clarksville?

December ranks 11th of 12 months on our comfort score for Clarksville (41 out of 100). It has about 4 comfortable days. The best months are April and October.

Where the numbers come from

  • Temperature, rain, snowfall and frost dates: Clarksville Wwtp (USC00401790), 1.8 mi NE of the city center, 402 ft (72 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Snow depth: Cheatham L&D (USC00401663), 16 mi SSE of the city center, 392 ft (82 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Ft Campbell AAF (USW00013806), 12 mi NW of the city center, 568 ft (94 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Campbell AAF Airport (746710-13806), 12 mi NW of the city center, 573 ft (99 ft higher than the city). Hourly observations, 1991-2020.