Jackson weather in December: Jackson, Mississippi: normal highs, lows, rain and records for December

Jackson in December has a normal high of 60°F and a normal low of 39°F, a daily mean of 49°F, falling from 63°F on the 1st to 57°F by the 31st. Measurable precipitation falls on 10 days in a normal December, 5.13 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 15°C and low of 4°C, 130 mm of precipitation and 1 cm of snow in December.

  • NOAA stationJackson International Airport
  • Station IDUSW00003940
  • Location32.32°N 90.08°W
  • Elevation330 ft (101 m)
  • From the center8 miles
  • Population141,449
  1. Jan 57° 37°
  2. Feb 62° 40°
  3. Mar 69° 46°
  4. Apr 77° 53°
  5. May 84° 62°
  6. Jun 90° 69°
  7. Jul 92° 72°
  8. Aug 92° 72°
  9. Sep 88° 66°
  10. Oct 78° 54°
  11. Nov 67° 44°
  12. Dec 60° 39°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Jackson in December?

The normal high is 60°F and the normal low 39°F, for a daily mean of 49.1°F. December is 6.3°F cooler than November and 2.1°F warmer than January. December is the 11th warmest month of the year in Jackson and the 4th wettest, and the snowiest. Across the month the normal high falls 6°F, from 63°F on December 1 to 57°F on December 31. From one year to the next December's mean temperature typically moves about 3.6°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 46°F and 53°F.

Jackson in December, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 33%).

Normal high and low on five days of December, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
December 163°F41°F30%20%
December 861°F40°F31%21%
December 1560°F39°F32%22%
December 2258°F38°F33%23%
December 3157°F37°F33%24%
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 30)
Jackson: NOAA 1991-2020 daily normals for each day of December
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
December 163°F41°F30%20%10 h 10 min
December 262°F40°F30%20%10 h 10 min
December 362°F40°F30%21%10 h 10 min
December 462°F40°F31%21%10 h 10 min
December 562°F40°F31%21%10 h 10 min
December 661°F40°F31%21%10 h 10 min
December 761°F40°F31%21%10 h 10 min
December 861°F40°F31%21%10 h 10 min
December 961°F39°F31%22%10 h 10 min
December 1061°F39°F32%22%10 h 10 min
December 1160°F39°F32%22%10 h
December 1260°F39°F32%22%10 h
December 1360°F39°F32%22%10 h
December 1460°F39°F32%22%10 h
December 1560°F39°F32%22%10 h
December 1659°F39°F33%23%10 h
December 1759°F39°F33%23%10 h
December 1859°F38°F33%23%10 h
December 1959°F38°F33%23%10 h
December 2059°F38°F33%23%10 h
December 2159°F38°F33%23%10 h
December 2258°F38°F33%23%10 h
December 2358°F38°F33%23%10 h
December 2458°F38°F33%23%10 h
December 2558°F38°F33%23%10 h
December 2658°F38°F33%23%10 h
December 2758°F38°F33%23%10 h
December 2858°F37°F33%23%10 h
December 2958°F37°F33%24%10 h
December 3057°F37°F33%24%10 h
December 3157°F37°F33%24%10 h
Normal high
60°FDecember average
Normal low
39°FDecember average
Precipitation
5.13 inmonth total
Days with precipitation
100.01 inch or more
Snowfall
0.5 inmonth total
Nights at 32°F or colder
11
Daylight
10 h 10 min to 10 hDecember 1 to December 31
Days at 70°F or more
7
Days at 80°F or more
1
Sunshine
70%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00003940; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Jackson in December?

On a given December day the chance of 0.01 inch or more is 32% on average, highest around December 26 (33%). In all, 5.13 in falls on 10 days of a normal December, 2 of them with an inch or more.

In a normal December in Jackson, 11 nights fall to freezing and snowfall averages 0.5 inches.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00003940.

How humid and windy is Jackson in December?

At 3 p.m. the normal temperature is 55°F with 53% relative humidity and a dew point of 38°F; at 6 a.m. it is 42°F with 85% humidity. The wind averages 6.7 mph, most often from the northwest in the afternoon. A dew point under 50°F feels dry.

A normal December day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.42°F37°F85%5.6 mph43%
9 a.m.45°F39°F77%7.8 mph36%
noon52°F38°F59%8.8 mph42%
3 p.m.55°F38°F53%8.7 mph41%
6 p.m.48°F39°F71%5.8 mph49%
9 p.m.45°F39°F78%5.9 mph51%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00003940. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).

What are the records for December in Jackson?

The warmest December temperature on Jackson's official record (since 1896) is 84°F, on December 3, 1922; the coldest is 4°F, on December 23, 1989. The wettest December brought 17.70 in (1982); the snowiest, 8.0 inches (1929).

The December mean against the 1991-2020 normal of 49.1°F: 2021 60.5°F (+11.4), 2022 52.5°F (+3.4), 2023 51.4°F (+2.3), 2024 53.5°F (+4.4), 2025 52.8°F (+3.7). 5 of 5 ran warmer than normal.

Jackson: December in recent years against the 1991-2020 normal
DecemberMeanAgainst normalPrecip.
202160.5°F+11.4°F3.03 in
202252.5°F+3.4°F6.12 in
202351.4°F+2.3°F3.30 in
202453.5°F+4.4°F3.70 in
202552.8°F+3.7°F1.34 in

Source: records: ACIS, NWS threaded record JANthr; recent months: ACIS, station USW00003940. Records and recent months use complete months only.

How does December in Jackson compare across Mississippi?

Across the 81 places PlainClimate covers in Mississippi, December normal highs run from 52°F in Independence to 65°F in Pascagoula; Jackson's is 60°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places