Jacksonville weather in December

December in Jacksonville: nice, rainy, with clean air — an excellent time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Jacksonville🇺🇸 United States · Florida · City80
  1. 77Jan
  2. 87Feb
  3. 86Mar
  4. 83Apr
  5. 70May
  6. 56Jun
  7. 49Jul
  8. 53Aug
  9. 62Sep
  10. 75Oct
  11. 90Nov
  12. 80Dec

#5 of 12 months in Jacksonville · #452 of 1413 destinations to visit in December · comfort 80/100 (tier A)

Days
21°C
Nights
11°C
Wet days
6
Sun
7.2 h
Humidity
79%
Daylight
10 h
Jacksonville, United States
Photo: Mike Jones · Pexels

Traveller notes on Jacksonville in December

Regulars are consistent this is cold-by-Florida-standards weather, good for strolling the beach rather than sitting on it, with surfers and walkers out but few sunbathers even on a nice day. Our row backs that cool read, 20.8C over 10.7C nights feeling 9C, with 95.2mm of rain across 6.2 days. Regulars are specific this runs noticeably cooler than the Gulf Coast or Miami, a real 10-15 degree Fahrenheit gap from Orlando alone, so anyone chasing genuine beach weather in December is pointed further south instead. Visitors coming from colder Northern climates are just as consistent that they find this same weather wonderful rather than cold, a real perspective gap regulars call out directly. The record: humidity 79 percent, 7.2 hours of sun, a 14.9 kph wind and AQI 37.
StrollingWeatherNotSunbathingWeather · December · 1 month ago · Read more on Tripadvisor ↗

Other months in Jacksonville

Regulars are candid that this Florida month can genuinely deliver hot, cold, sunny and rainy conditions within a single day, and the practical advice is to come prepared for all of it and stay willing to change plans on short notice - early April is called more of a mixed bag than the more reliably good beach days of late April. Our row backs the warm-but-changeable read, 27.9C reading as 29C over 16.7C nights, with 93.6mm of rain across 8 days. Regulars are more confident recommending late-month dates specifically for beach plans, while early-month visitors are steered toward flexible, weather-independent activities like the Riverside Arts Market as a backup. The record: humidity 69 percent, 10.6 hours of sun, a 16.8 kph wind and AQI 48.
ComeReadyToChangePlansMidDay · April · 1 month ago · Read more on Tripadvisor ↗
Regulars refuse to predict this month and say so: February here can run anywhere from 80F down to 30F, usually mid-forties to mid-sixties, and the only sensible advice is to pack for both. Our row's 23.6C over 12C is the middle of that spread. The beach follows the same rule - too windy and cold one day, beautiful the next - and the water is at its coldest of the year, about 56F, so this is a walking, dog-and-kite month rather than a swimming one. Late February brings the compensation: the sand is clean and close to empty. Our 87.3mm falls across 8.4 days. The record: humidity 77 percent, 8.3 hours of sun and AQI 46.
BringBothSetsOfClothes · February · 1 month ago · Read more on Tripadvisor ↗
November in Jacksonville is mild and mostly pleasant - regulars give the 65 to 75F range for early November, with cool fronts pulling nights into the 50s later in the month, which our row renders as 23.7C days over 14C nights. The question they get asked is about water, and the answer is a qualified no: the ocean off Jacksonville Beach sits in the high 60s Fahrenheit falling into the low 60s, chilly for most people, and an unheated hotel pool will be the same. Nearby Ponte Vedra reports a 72F high and 57F low as the November average. So: layers, a light jacket for the evening, and treat the beach as somewhere to walk. The record: 5.8 precipitation days carrying 66.1mm, humidity 77 percent and 8 hours of sun.
PoolWeatherNotOceanWeather · November · 1 month ago · Read more on Tripadvisor ↗
Jacksonville forum threads describe January as relatively mild, with posters citing typical temperatures around 70F but genuinely variable week to week - not unheard of to see days anywhere from the 30s to the 80s depending on the specific stretch. It isn't beach-and-swimsuit weather for most visitors, with the water itself described as too cold to swim comfortably without a wetsuit, but posters were clear it isn't snowy winter either - walking the beach in warm clothes was called a genuinely nice January activity. One posted a historical outlier, a real ice and snow event just before Christmas in 1989, as proof the far edges are possible, though posters agreed a typical January here stays comfortably mild with plenty to do outdoors.
RiversideJaxRegular · January · 1 month ago · Read more on Tripadvisor ↗

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Jacksonville climate normals — December

Daytime high21°C / 69°F😎 nice
Nighttime low11°C / 51°F
Feels like (high)20°C / 68°F
Rainfall95 mm / 3.7 in🌧 rainy
Rainy days6 days
Humidity79%💦 very humid
Dew point11°C / 52°F
Sunshine7.2 h/day
Daylight10.2 h
Wind15 km/h / 9 mph
Air quality (US AQI)37🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Jacksonville in December

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsChristmas and New Year, TaxSlayer Gator Bowl, Winter / Christmas break in United States(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for Jacksonville's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherJacksonville's best weather comes in February, March and November — separate windows, not one continuous season.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in Jacksonville in December

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Holiday

    Christmas and New Year

    24 Dec – 1 JanChristmas & New YearClosuresCrowded

    Christmas Day and New Year's Day are federal holidays: on 25 December most shops, museums and many restaurants close, and airports stay busy through the week between as families travel. New Year's Eve fills bars and restaurants, many at set-menu prices. Source ↗

  • Festival

    TaxSlayer Gator Bowl

    30 DecSporting eventCrowded

    A college football bowl over the New Year week that brings two travelling fan bases into downtown hotels. The stadium rebuild sends the December 2027 game to Gainesville before it returns in 2028. Source ↗

What's on around the world in December →

Nearby, and something's on

Within 300 km of Jacksonville — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Jacksonville?

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Jacksonville in December — FAQ

Is December a good time to visit Jacksonville?
December in Jacksonville: nice, rainy, with clean air — an excellent time to visit. It ranks #5 of 12 months for Jacksonville on SeasonMap's comfort score (80/100).
What is the weather like in Jacksonville in December?
In December, Jacksonville averages a daily high of 20.8°C and a low of 10.7°C, with about 95.2 mm of rain over roughly 6.2 rainy days.
What is the air quality in Jacksonville in December?
Jacksonville has a mean US Air Quality Index of about 37 in December.

Within 300 km: St. Augustine's Nights of Lights around 21 Nov – 31 Jan, and Savannah's Holiday season on the squares on 25 Nov – 31 Dec.