World sea water temperatures

Water temperature in Cedar Key (FL) in May

Is it warm enough to swim in Cedar Key in May? Average water temperature in Cedar Key in May is 79.3°F and therefore suitable for comfortable swimming. The warmest sea in Cedar Key in May is 86.7°F, and the coldest is 72°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Cedar Key

Changes water temperature in Cedar Key in May 2025, 2024

To get an accurate forecast for the water temperature in Cedar 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 Cedar Key, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of May.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
May 178.4°F78.1°F72°F79.3°F
May 278.4°F77.9°F72.9°F79.7°F
May 378.8°F80.6°F73.8°F81°F
May 479.7°F79.7°F72.9°F80.8°F
May 578.1°F81°F73.9°F82.6°F
May 678.6°F81.3°F73.8°F82.6°F
May 777.2°F82°F72.5°F82°F
May 880.6°F82.2°F73°F82.2°F
May 980.1°F83.5°F73.6°F83.5°F
May 1080.1°F81.9°F73.8°F81.9°F
May 1179.9°F82.2°F74.5°F82.2°F
May 1278.6°F80.8°F74.7°F81.7°F
May 1379°F80.1°F75°F81.5°F
May 1479.5°F80.6°F74.5°F82.2°F
May 1579.3°F79.9°F74.7°F81.3°F
Day 2025 2024 Min Max
May 1681.1°F79.9°F74.8°F81.7°F
May 1782.2°F80.2°F76.5°F82.2°F
May 1883.5°F80.8°F76.5°F83.5°F
May 1983.1°F82°F77°F83.3°F
May 2084.9°F82.6°F76.8°F84.9°F
May 2184.4°F82°F76.3°F84.4°F
May 2284.6°F82.4°F75.9°F84.6°F
May 2383.7°F82.4°F76.8°F83.7°F
May 2483.7°F83.1°F76.6°F83.8°F
May 2584.2°F83.7°F76.3°F84.2°F
May 2686.7°F84.7°F76.6°F86.7°F
May 2786.2°F84.6°F77°F86.2°F
May 2886.4°F85.5°F77°F86.4°F
May 2986.2°F85.3°F77.2°F86.4°F
May 3085.8°F84°F77.4°F85.8°F
May 3184.6°F83.7°F77.5°F86°F
Cedar Key water temp chart in May

Average water temperature in Cedar Key in May over a decade

20162017201820192020
79.7°F78.6°F78.4°F81.5°F77.9°F
20212022202320242025
78.6°F81°F79°F81.9°F81.9°F

Cedar Key sea state in May

Chart comparing the height of waves in Cedar Key in May 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 Cedar Key in May

Cedar 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 May?

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

AvrMinMax
Yankeetown79.3°F72.7°F86.4°F
Crystal River79.5°F73°F86.9°F
Fort Island Beach79.5°F73°F86.9°F
Homosassa79.7°F73.2°F87.1°F
Steinhatchee78.8°F70.5°F87.1°F
Bayport79.9°F73.4°F87.3°F
Spring Hill79.9°F73.4°F87.3°F
Hernando Beach79.9°F73.4°F87.3°F
Hudson79.9°F73.4°F87.1°F
Aripeka79.9°F73.4°F87.1°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 Cedar 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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