World sea water temperatures

Water temperature in Casey Key (FL) in January

Is it warm enough to swim in Casey Key in January? Average water temperature in Casey Key in January is 65.7°F and therefore is not suitable for comfortable swimming. The warmest sea in Casey Key in January is 74.1°F, and the coldest is 55.9°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Casey Key

Changes water temperature in Casey Key in January 2025, 2024

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

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
January 168.5°F64°F63.5°F74.1°F
January 268.4°F64°F63.9°F73.8°F
January 365.8°F64.2°F63.9°F73.4°F
January 464.8°F63.9°F63.5°F72.1°F
January 564.6°F64°F64°F71.6°F
January 664.9°F65.1°F64.4°F70.3°F
January 764.4°F65.5°F63.9°F70.5°F
January 862.8°F65.5°F62.8°F70.9°F
January 962.2°F64.2°F62.2°F70.5°F
January 1061.5°F64°F61.5°F70.2°F
January 1161.7°F63.5°F61.7°F70.3°F
January 1260.4°F63.1°F60.4°F69.8°F
January 1361.7°F63.7°F61.7°F69.4°F
January 1461°F63.5°F61°F69.6°F
January 1561.7°F63.5°F61.7°F70.2°F
Day 2025 2024 Min Max
January 1662.1°F64.9°F61.2°F70.2°F
January 1761.3°F64.4°F60.6°F69.6°F
January 1861.9°F64.4°F59.9°F68.9°F
January 1961.7°F63.3°F59.7°F69.4°F
January 2061.7°F62.2°F59.7°F68.9°F
January 2161.9°F62.4°F60.1°F68.7°F
January 2262.1°F61.3°F59.9°F68.7°F
January 2362.1°F62.4°F60.4°F68.5°F
January 2460.8°F61.7°F60.1°F68.4°F
January 2558.1°F61.5°F58.1°F68.4°F
January 2655.9°F64.6°F55.9°F68°F
January 2755.9°F64.8°F55.9°F67.6°F
January 2857°F65.7°F57°F67.3°F
January 2958.1°F64.4°F58.1°F67.3°F
January 3058.8°F64.4°F58.8°F67.6°F
January 3160.8°F63.7°F60.8°F67.6°F
Casey Key water temp chart in January

Average water temperature in Casey Key in January over a decade

20162017201820192020
67.6°F67.6°F62.6°F65.5°F67.1°F
20212022202320242025
64.2°F67.5°F64.9°F63.9°F61.7°F

Casey Key sea state in January

Chart comparing the height of waves in Casey Key in January 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 Casey Key in January

Casey 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 January?

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

AvrMinMax
Turtle Beach65.5°F55.8°F74.1°F
Bayshore Gardens65.1°F55°F74.1°F
Ellenton65.1°F55°F74.1°F
Palmetto65.1°F55°F74.1°F
Longboat Key64.9°F55°F74.1°F
Coquina Beach64.9°F55°F74.1°F
Grove City66.4°F57.2°F74.7°F
Manasota Key66.4°F57.2°F74.7°F
Englewood66.4°F57.2°F74.7°F
Blind Pass Beach66.4°F57.2°F74.7°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 Casey 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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