Climateby Month

Jackson, MS weather in December

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

Expect cool weather with some rain in Jackson in December, with highs near 60°F and lows near 39°F. Rain or snow falls on about 10 days. Snowfall averages about 0.5 in. It is one of the coolest months in Jackson.

Normal high
60°F
Normal low
39°F
Wet days
10
5.1 in total
Snowfall
0.5 in
normal snowfall

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high63°F57°F
Normal low41°F37°F
Chance of a wet day31%33%
Sunrise / sunset6:44 am / 4:55 pm7:01 am / 5:05 pm
Daylight10.2 h10.1 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 am43°Fdew point 39°F
  2. 9 am48°Fdew point 41°F
  3. Noon55°Fdew point 41°F
  4. 3 pm57°Fdew point 40°F
  5. 6 pm50°Fdew point 41°F
  6. 9 pm47°Fdew point 41°F

NOAA hourly normals (local standard time) from Jackson Intl Airport (6 mi away); average wind 7 mph.

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 snow10 of 31
  • Notable rainat least 0.10 in7 of 31
  • Freezing nightslow 32°F or below11 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 5.1 in; a dry December brings about 3.9 in and a wet one about 5.8 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 2 an inch or more. Normal snowfall is 0.5 in.

How December varies from year to year

  • Warmest December, 1991-20202015: average high 69°F
  • Coolest December2000: average high 49°F
  • Wettest December2008: 8.9 in
  • Driest December1999: 2.8 in
  • Highest reading84°F (December 26, 2015)
  • Lowest reading15°F (December 31, 2000)

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°F60°F57°F
Normal low44°F39°F37°F
Wet days91010
Comfortable days1597
Daylight10.5 h10.1 h10.3 h

Highs change by -7°F from November and -3°F into January.

Nearby alternatives in December

How Jackson ranks in December

  • Normal high111th warmest of 378 cities; 2nd of 2 in Mississippi
  • Wet days210th driest of 378
  • Comfortable days97th most of 340

What to pack for Jackson in December

  • A warm jacket – lows near 39°F, highs near 60°F
  • A rain jacket or umbrella – rain or snow on about 10 days

Heating and cooling

December has 500 heating degree days and 9 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.

Questions

How cold is Jackson in December?

The normal high is 60°F and the normal low is 39°F. From 1991 to 2020 the coldest December reading was 15°F (most recently on December 31, 2000).

Does it rain a lot in Jackson in December?

About 10 days in December have at least 0.01 in of precipitation, and the normal total is 5.1 in. The wettest December in 1991-2020 was in 2008 (8.9 in); the driest was in 1999 (2.8 in).

Does it snow in Jackson in December?

Yes. Normal snowfall in December is 0.5 in.

Is December a good time to visit Jackson?

December ranks 7th of 12 months on our comfort score for Jackson (53 out of 100). It has about 9 comfortable days. The best months are March and April.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth, frost dates and humidity and wind by hour: Jackson Intl Airport (USW00003940), 6.4 mi ENE of the city center, 296 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Jackson International Airport (722350-03940), 6.4 mi ENE of the city center, 296 ft . Hourly observations, 1991-2020.
  • Not available for this location: cloud cover (no station close enough or similar enough in elevation).