World sea water temperatures

Water temperature in Islamorada (FL) in December

Is it warm enough to swim in Islamorada in December? Average water temperature in Islamorada in December is 77.4°F and therefore suitable for comfortable swimming. The warmest sea in Islamorada in December is 81°F, and the coldest is 72.5°F. Average high air temperature in Islamorada in December is 75°F, and average low temperature is 58°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Islamorada

Changes water temperature in Islamorada in December 2024, 2023

To get an accurate forecast for the water temperature in Islamorada for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Islamorada, 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 177.7°F79.9°F76.5°F81°F
December 276.6°F79.5°F76.5°F80.1°F
December 377.4°F80.4°F76.5°F80.4°F
December 477.4°F79.5°F75.4°F79.7°F
December 577.2°F79.7°F76.5°F79.7°F
December 676.8°F80.2°F76.1°F80.2°F
December 776.5°F79°F75.7°F79.3°F
December 876.3°F78.8°F75.7°F79.2°F
December 975.6°F78.3°F75.4°F79.2°F
December 1075.9°F79°F75.6°F79.3°F
December 1176.8°F79.3°F75.7°F79.7°F
December 1276.1°F78.4°F75.6°F80.1°F
December 1372.5°F78.3°F72.5°F80.4°F
December 1473.9°F79°F73.9°F79.2°F
December 1573.9°F78.6°F73.9°F79°F
Day 2024 2023 Min Max
December 1675.2°F77.9°F74.3°F79°F
December 1777.4°F78.3°F73.9°F79.2°F
December 1877.2°F77.4°F73.2°F79°F
December 1977.9°F77.2°F73.8°F79.5°F
December 2078.1°F75°F73.4°F79.2°F
December 2177.4°F76.3°F73.9°F80.1°F
December 2276.1°F76.8°F73.9°F78.8°F
December 2375.4°F76.8°F73.9°F79.2°F
December 2474.1°F77°F73°F78.6°F
December 2573.9°F77°F73.2°F78.6°F
December 2674.5°F76.5°F73.6°F78.4°F
December 2774.7°F75.4°F73.4°F78.3°F
December 2876.1°F74.1°F73.2°F78.4°F
December 2975.9°F76.5°F73.2°F78.6°F
December 3077.4°F76.1°F73.8°F78.8°F
December 3177.5°F75.2°F73.8°F79.2°F
Islamorada water temp chart in December

Average water temperature in Islamorada in December over a decade

20152016201720182019
78.4°F78.6°F77.7°F77.5°F77.7°F
20202021202220232024
77.2°F78.4°F78.3°F77.7°F76.1°F

Islamorada sea state in December

Chart comparing the height of waves in Islamorada 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 Islamorada in December

Weather and climate in Islamorada in December

This data display average monthly climate indicators in Islamorada 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 temperature75°F
  • Average LOW temperature58°F
  • Average rainfall51mm/2''

Islamorada 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
Plantation76.6°F70.5°F80.8°F
Tavernier77°F71.8°F80.8°F
Fiesta Key77.4°F72.9°F81°F
Long Key77.7°F73.2°F81.1°F
Rodriguez Key77.9°F73.8°F81°F
Layton77°F71.8°F81°F
Molasses Reef78.3°F73.9°F81.3°F
Pennekamp77.9°F73.8°F81°F
Duck Key77.9°F73.2°F81.1°F
Blackwater Sound76.5°F69.4°F80.8°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 Islamorada 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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