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Water temperature in Jacksonville (FL) in December

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Is it warm enough to swim in Jacksonville in December? Average water temperature in Jacksonville in December is 64.6°F and therefore is not suitable for comfortable swimming. The warmest sea in Jacksonville in December is 69.6°F, and the coldest is 57.9°F. Average high air temperature in Jacksonville in December is 67°F, and average low temperature is 44°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Jacksonville

Changes water temperature in Jacksonville in December 2024, 2023

To get an accurate forecast for the water temperature in Jacksonville for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Jacksonville, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of December.

You can choose any other years:

Year 1:   Year 2:


Day 2024 2023 Min Max
December 168.4°F65.3°F61.9°F69.1°F
December 268°F65.7°F62.2°F69.1°F
December 366.6°F65.8°F63.1°F69.1°F
December 465.7°F65.7°F63.3°F69.1°F
December 565.8°F65.5°F63.9°F68.9°F
December 665.8°F64.6°F64.4°F68.7°F
December 764.2°F64.6°F63.5°F69.1°F
December 863.7°F64.4°F63.7°F68.9°F
December 963.9°F65.1°F63.9°F69.1°F
December 1064.2°F65.7°F63.3°F68.9°F
December 1164.9°F64.8°F61.7°F69.3°F
December 1264.8°F65.1°F60.6°F69.4°F
December 1364.2°F65.1°F60.3°F68.9°F
December 1464.6°F63.1°F60.4°F68.9°F
December 1564.8°F63.1°F60.4°F69.4°F
Day 2024 2023 Min Max
December 1663°F63.3°F59.7°F68.5°F
December 1763.3°F63.5°F59.7°F68.7°F
December 1864.6°F60.8°F59.2°F68.5°F
December 1964.8°F59.9°F59.5°F67.6°F
December 2062.8°F60.3°F59.9°F66.9°F
December 2162.4°F59.7°F59.7°F66.7°F
December 2262.6°F59.4°F59.2°F66.4°F
December 2361°F59°F59°F66.6°F
December 2460.1°F59.4°F59.4°F67.3°F
December 2559.5°F59.4°F59.4°F67.6°F
December 2659.7°F59.2°F59.2°F68°F
December 2760.3°F59.2°F58.1°F68.4°F
December 2859.7°F58.6°F58.3°F69.6°F
December 2959.7°F59°F58.6°F69.3°F
December 3059.7°F58.8°F58.8°F69.3°F
December 3161.7°F58.8°F57.9°F69.1°F
Jacksonville water temp chart in December

Average water temperature in Jacksonville in December over a decade

20152016201720182019
67.8°F65.5°F64.8°F62.2°F63.7°F
20202021202220232024
63.5°F64.9°F63.7°F62.2°F63.3°F

Jacksonville sea state in December

Chart comparing the height of waves in Jacksonville in December over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.

Waves height in Jacksonville in December

Weather and climate in Jacksonville in December

This data display average monthly climate indicators in Jacksonville in December based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip

  • Average HIGH temperature67°F
  • Average LOW temperature44°F
  • Average humidity
    77
  • Average rainfall days7 days
  • Average rainfall71mm/2.8''
  • Average daylight10h
  • Average sunshine5.9h
  • Average UV index4

Jacksonville water temperature during other months:

You can also view information about water temperature for other months by clicking on the month button below

Where is the warm sea water in December?

Want to know where the water temperature in December is good for swimming? Select the continent of interest, the day of the month and the required water temperature

Region
Date (day and month)
Water temperature: min 60°F
 Average temperature  Maximum temperature

Best Beach Resorts in Florida in December

Places with the warmest average sea water temperature in Florida in December. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Sarasota68.9°F61.3°F74.7°F
Key West77°F71.4°F81°F
Naples71.1°F64.4°F76.6°F
Miami Beach78.4°F73.9°F81.9°F
Fort Myers Beach70.5°F63.5°F76.6°F
Destin66.6°F60.1°F70.7°F
Fort Lauderdale78.4°F73.9°F81.1°F
Key Largo77.4°F73.2°F81°F
Cocoa Beach70.7°F64.6°F75.7°F
Clearwater Beach66.9°F56.1°F72.7°F

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[1] - The "Blue Flag" is awarded to beaches which fulfill a number of criteria, including: the quality of the bathing water, which must be in accordance with the relevant European Union Directive environmental education and information and beach area management and safety.

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Our report for Jacksonville is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.

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