World sea water temperatures

Water temperature in Long Key (FL) in June

Is it warm enough to swim in Long Key in June? Average water temperature in Long Key in June is 84.2°F and therefore suitable for comfortable swimming. The warmest sea in Long Key in June is 87.3°F, and the coldest is 79.3°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Long Key

Changes water temperature in Long Key in June 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
June 185.5°F84.6°F79.7°F85.5°F
June 285.5°F84.6°F79.7°F85.5°F
June 385.3°F84.4°F79.3°F85.3°F
June 485.3°F84.2°F80.1°F85.3°F
June 584.7°F84.9°F81.3°F84.9°F
June 683.5°F84.9°F82°F85.5°F
June 783.8°F85.3°F81.5°F85.8°F
June 884.2°F85.6°F81.9°F86°F
June 984.2°F86.2°F82°F86.2°F
June 1084.2°F85.8°F81.9°F86.4°F
June 1184°F85.8°F82.2°F86.2°F
June 1284.2°F85.6°F82°F86.5°F
June 1384°F85.3°F82.6°F86.5°F
June 1484.7°F85.1°F82.4°F86.7°F
June 1584.6°F85.1°F82.4°F86.5°F
Day 2025 2024 Min Max
June 1684.7°F84.4°F83.3°F86.4°F
June 1784.9°F84.7°F83.1°F86.7°F
June 1884.6°F84.2°F82.9°F87.3°F
June 1984.7°F84.6°F82.8°F86.5°F
June 2084.9°F84.2°F82.9°F87.3°F
June 2184.9°F84°F83.1°F86.7°F
June 22 84.2°F83.1°F86.5°F
June 2384.6°F84.4°F82.9°F86.4°F
June 2485.1°F84.6°F82.8°F86.2°F
June 2584.9°F84.7°F83.3°F86.4°F
June 2684.7°F85.3°F83.1°F85.8°F
June 2784.6°F85.5°F82.9°F86°F
June 2884°F85.6°F83.1°F86°F
June 2984.6°F85.3°F83.3°F86.4°F
June 3084.9°F85.3°F83.7°F87.3°F
Long Key water temp chart in June

Average water temperature in Long Key in June over a decade

20162017201820192020
84.6°F83.7°F84.2°F85.1°F84.6°F
20212022202320242025
83.3°F84.2°F85.1°F84.9°F84.6°F

Long Key sea state in June

Chart comparing the height of waves in Long Key in June 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 Long Key in June

Long Key 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 June?

Want to know where the water temperature in June 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 June. In addition, the maximum and minimum water temperatures for that month, recorded over the last decade, are shown

AvrMinMax
Fiesta Key84.4°F79.3°F87.6°F
Grassy Key84.2°F79.3°F87.4°F
Vaca Key84.4°F79.3°F87.6°F
Cocoa Plum Beach84.4°F79.3°F87.6°F
Key Colony Beach84.2°F79.3°F87.4°F
Sombrero Beach84.2°F79.3°F87.4°F
Murray Key85.5°F79.3°F90.7°F
Flamingo85.5°F79.3°F90.7°F
Rodriguez Key84°F79.7°F87.1°F
Bahia Honda84.2°F79.5°F87.6°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 Long Key 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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