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Water temperature in Fort Walton Beach (FL) in December

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Is it warm enough to swim in Fort Walton Beach in December? Average water temperature in Fort Walton Beach in December is 66.9°F and therefore is not suitable for comfortable swimming. The warmest sea in Fort Walton Beach in December is 70.9°F, and the coldest is 60.6°F. Average high air temperature in Fort Walton Beach in December is 63°F, and average low temperature is 39°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Fort Walton Beach

Changes water temperature in Fort Walton Beach in December 2025, 2024

To get an accurate forecast for the water temperature in Fort Walton Beach for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Fort Walton Beach, 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 2025 2024 Min Max
December 169.1°F69.8°F66°F70.9°F
December 269.1°F69.1°F66.7°F70.2°F
December 368.7°F68.5°F66.7°F69.8°F
December 468.7°F68.4°F66.2°F70°F
December 568.4°F67.8°F66.6°F69.6°F
December 668°F67.5°F65.1°F69.8°F
December 768.2°F65.7°F64.9°F69.6°F
December 866.6°F67.6°F65.3°F69.8°F
December 965.7°F67.8°F65.7°F70°F
December 1065.7°F69.3°F65.7°F69.6°F
December 1166.4°F68.9°F66.2°F69.8°F
December 1266°F68.5°F65.8°F70°F
December 1365.8°F69.4°F63.9°F69.8°F
December 14 68.2°F64.6°F70.2°F
December 15 68.5°F64°F69.4°F
Day 2025 2024 Min Max
December 16 67.8°F64.2°F69.1°F
December 17 68°F64.4°F69.1°F
December 18 69.1°F64°F69.8°F
December 19 68.7°F64.8°F69.3°F
December 20 67.8°F64°F68.7°F
December 21 68.4°F63.9°F68.4°F
December 22 68.2°F63.3°F68.2°F
December 23 66.9°F62.1°F68°F
December 24 66.4°F62.2°F68.2°F
December 25 66.2°F62.4°F68.7°F
December 26 67.6°F62.2°F68.7°F
December 27 67.1°F61.3°F69.4°F
December 28 67.5°F61.7°F69.8°F
December 29 65.1°F60.6°F69.3°F
December 30 64.8°F61.3°F68.7°F
December 31 63.9°F60.6°F69.1°F
Fort Walton Beach water temp chart in December

Average water temperature in Fort Walton Beach in December over a decade

20152016201720182019
69.3°F68.5°F67.5°F65.3°F66.4°F
20202021202220232024
66.2°F66.9°F67.3°F65.3°F67.6°F

Fort Walton Beach sea state in December

Chart comparing the height of waves in Fort Walton Beach 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 Fort Walton Beach in December

Weather and climate in Fort Walton Beach in December

This data display average monthly climate indicators in Fort Walton Beach 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 temperature63°F
  • Average LOW temperature39°F
  • Average rainfall days10 days
  • Average rainfall130mm/5.1''
  • Average daylight10h
  • Average sunshine5h
  • Average UV index4

Fort Walton Beach 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

Temperature in neighboring cities

The nearest locations with the average water temperature in December. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Okaloosa Island66.9°F60.6°F70.9°F
Mary Esther66.9°F60.3°F70.5°F
Eglin Air Force Base66.2°F57.7°F70.2°F
Santa Rosa Island67.5°F61.3°F71.6°F
Niceville66°F56.1°F69.6°F
Valparaiso66°F56.1°F69.6°F
Miramar Beach66.4°F60.1°F70.3°F
Wynnehaven Beach67.6°F61.9°F71.4°F
Choctawhatchee Bay66°F58.6°F69.8°F
Sandestin66.7°F60.6°F70.7°F

Fort Walton Beach photo gallery

  • Okaloosa Island, Fort Walton Beach, Florida

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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 Fort Walton Beach 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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