Jacksonville weather in December: Jacksonville, Florida: normal highs, lows, rain and records for December

Jacksonville in December has a normal high of 68°F and a normal low of 46°F, a daily mean of 57°F, falling from 70°F on the 1st to 66°F by the 31st. Measurable precipitation falls on 8 days in a normal December, 2.78 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 20°C and low of 8°C, 71 mm of precipitation in December.

  • NOAA stationJacksonville International Airport
  • Station IDUSW00013889
  • Location30.48°N 81.70°W
  • Elevation33 ft (10 m)
  • From the center11 miles
  • Population1,009,833
  1. Jan 66° 43°
  2. Feb 69° 46°
  3. Mar 74° 51°
  4. Apr 80° 56°
  5. May 86° 64°
  6. Jun 90° 71°
  7. Jul 92° 73°
  8. Aug 91° 73°
  9. Sep 87° 71°
  10. Oct 81° 62°
  11. Nov 73° 51°
  12. Dec 68° 46°

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

How warm is Jacksonville in December?

The normal high is 68°F and the normal low 46°F, for a daily mean of 56.7°F. December is 5.6°F cooler than November and 2.5°F warmer than January. December is the 11th warmest month of the year in Jacksonville and the 11th wettest. Across the month the normal high falls 4°F, from 70°F on December 1 to 66°F on December 31. From one year to the next December's mean temperature typically moves about 4.1°F either way (NOAA's standard deviation), so roughly two Decembers in three average between 53°F and 61°F.

Jacksonville 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 25%).

Normal high and low on five days of December, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
December 170°F48°F23%13%
December 869°F47°F24%14%
December 1568°F46°F25%15%
December 2267°F45°F25%15%
December 3166°F43°F25%15%
Every day of December: normal high, low and chance of precipitation (warmest afternoon December 1, coldest night December 31)
Jacksonville: NOAA 1991-2020 daily normals for each day of December
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
December 170°F48°F23%13%10 h 20 min
December 270°F48°F23%13%10 h 20 min
December 369°F48°F23%14%10 h 20 min
December 469°F48°F24%14%10 h 20 min
December 569°F48°F24%14%10 h 20 min
December 669°F47°F24%14%10 h 20 min
December 769°F47°F24%14%10 h 20 min
December 869°F47°F24%14%10 h 10 min
December 968°F47°F24%14%10 h 10 min
December 1068°F47°F24%14%10 h 10 min
December 1168°F47°F24%14%10 h 10 min
December 1268°F47°F25%14%10 h 10 min
December 1368°F46°F25%14%10 h 10 min
December 1468°F46°F25%15%10 h 10 min
December 1568°F46°F25%15%10 h 10 min
December 1667°F46°F25%15%10 h 10 min
December 1767°F46°F25%15%10 h 10 min
December 1867°F46°F25%15%10 h 10 min
December 1967°F45°F25%15%10 h 10 min
December 2067°F45°F25%15%10 h 10 min
December 2167°F45°F25%15%10 h 10 min
December 2267°F45°F25%15%10 h 10 min
December 2367°F45°F25%15%10 h 10 min
December 2466°F45°F25%15%10 h 10 min
December 2566°F44°F25%15%10 h 10 min
December 2666°F44°F25%15%10 h 10 min
December 2766°F44°F25%15%10 h 10 min
December 2866°F44°F25%15%10 h 10 min
December 2966°F44°F25%15%10 h 10 min
December 3066°F44°F25%15%10 h 10 min
December 3166°F43°F25%15%10 h 10 min
Normal high
68°FDecember average
Normal low
46°FDecember average
Precipitation
2.78 inmonth total
Days with precipitation
80.01 inch or more
Nights at 32°F or colder
4
Daylight
10 h 20 min to 10 h 10 minDecember 1 to December 31
Days at 70°F or more
14
Days at 80°F or more
3
Sunshine
75%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00013889; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Jacksonville in December?

On a given December day the chance of 0.01 inch or more is 24% on average, highest around December 22 (25%). In all, 2.78 in falls on 8 days of a normal December, 1 of them with an inch or more.

In a normal December in Jacksonville, 4 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013889.

How humid and windy is Jacksonville in December?

At 3 p.m. the normal temperature is 64°F with 55% relative humidity and a dew point of 47°F; at 6 a.m. it is 48°F with 89% humidity. The wind averages 6.8 mph, most often from the west-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.48°F45°F89%5.1 mph–
9 a.m.51°F47°F84%6.6 mph–
noon61°F48°F61%9.8 mph35%
3 p.m.64°F47°F55%10.3 mph–
6 p.m.57°F48°F72%6.8 mph37%
9 p.m.52°F47°F84%5.3 mph45%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00013889. 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 Jacksonville?

The warmest December temperature on Jacksonville's official record (since 1871) is 85°F, on December 28, 2015; the coldest is 11°F, on December 25, 1983. The wettest December brought 9.77 in (1997).

The December mean against the 1991-2020 normal of 56.7°F: 2021 63.4°F (+6.7), 2022 56.3°F (−0.4), 2023 57.3°F (+0.6), 2024 57.0°F (+0.3), 2025 57.1°F (+0.4). 4 of 5 ran warmer than normal.

Jacksonville: December in recent years against the 1991-2020 normal
DecemberMeanAgainst normalPrecip.
202163.4°F+6.7°F1.61 in
202256.3°F−0.4°F0.25 in
202357.3°F+0.6°F6.81 in
202457.0°F+0.3°F1.08 in
202557.1°F+0.4°F2.18 in

Source: records: ACIS, NWS threaded record JAXthr; recent months: ACIS, station USW00013889. Records and recent months use complete months only.

How does December in Jacksonville compare across Florida?

Across the 106 places PlainClimate covers in Florida, December normal highs run from 63°F in Milton to 80°F in Everglades; Jacksonville's is 68°F.

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

Other months and places