Jacksonville, FL weather in December
In December, Jacksonville sees highs around 68°F and lows around 46°F: mild, with some rain. Rain falls on about 8 days. It is one of the coolest months in Jacksonville. Good for outdoor plans.
- Normal high
- 68°F
- Normal low
- 46°F
- Wet days
- 8
- 2.8 in total
- Muggy days
- 2
- dew point 65°F+
How December changes from start to finish
| December 1 | December 31 | |
|---|---|---|
| Normal high | 70°F | 66°F |
| Normal low | 48°F | 43°F |
| Chance of a wet day | 24% | 25% |
| Sunrise / sunset | 7:05 am / 5:25 pm | 7:23 am / 5:36 pm |
| Daylight | 10.3 h | 10.2 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical December day
- 6 am54°Fdew point 48°F
- 9 am56°Fdew point 49°F
- Noon63°Fdew point 50°F
- 3 pm66°Fdew point 49°F
- 6 pm62°Fdew point 50°F
- 9 pm58°Fdew point 50°F
NOAA hourly normals (local standard time) from Jacksonville NAS (7 mi away); average wind 8 mph.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F13 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more2 of 31
- Wet daysat least 0.01 in of rain or melted snow8 of 31
- Notable rainat least 0.10 in4 of 31
- Freezing nightslow 32°F or below4 of 31
Average days per December, counted from daily records for each year 1991-2020.
Rain in December
Normal precipitation is 2.8 in; a dry December brings about 1.0 in and a wet one about 3.6 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How December varies from year to year
- Warmest December, 1991-20202015: average high 76°F
- Coolest December2010: average high 60°F
- Wettest December1997: 9.8 in
- Driest December2010: 0.3 in
- Highest reading85°F (December 10, 2019)
- Lowest reading20°F (December 28, 2010)
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
| November | December | January | |
|---|---|---|---|
| Normal high | 73°F | 68°F | 66°F |
| Normal low | 51°F | 46°F | 43°F |
| Wet days | 7 | 8 | 8 |
| Comfortable days | 15 | 13 | 13 |
| Daylight | 10.6 h | 10.2 h | 10.4 h |
Highs change by -5°F from November and -2°F into January.
Nearby alternatives in December
- Warmer: Orlando, FL125 mi · high 74°F · 7 wet days
- Cooler: Charleston, SC197 mi · high 61°F · 9 wet days
How Jacksonville ranks in December
- Normal high44th warmest of 378 cities; 20th of 23 in Florida
- Wet days133rd driest of 378
- Comfortable days46th most of 340
Heating and cooling
December has 285 heating degree days and 27 cooling degree days (base 65°F), 8% of the year's total heating and cooling demand.
Questions
How cold is Jacksonville in December?
The normal high is 68°F and the normal low is 46°F. From 1991 to 2020 the coldest December reading was 20°F (most recently on December 28, 2010).
Does it rain a lot in Jacksonville in December?
About 8 days in December have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest December in 1991-2020 was in 1997 (9.8 in); the driest was in 2010 (0.3 in).
Is December a good time to visit Jacksonville?
December ranks 6th of 12 months on our comfort score for Jacksonville (61 out of 100). It has about 13 comfortable days. The best months are February, March and November.
Where the numbers come from
- Temperature and rain: Jacksonville (USW00013889), 11 mi NNW of the city center, 33 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: Jacksonville Beach (USC00084366), 16 mi E of the city center, 10 ft . NOAA normals and daily records, 1991-2020.
- Frost dates and humidity and wind by hour: Jacksonville NAS (USW00093837), 6.9 mi S of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Jacksonville NAS (722065-93837), 6.9 mi S of the city center, 20 ft . Hourly observations, 1991-2020.
- Not available for this location: cloud cover (no station close enough or similar enough in elevation).