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Water temperature in St. Augustine Beach (FL) in October

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Is it warm enough to swim in St. Augustine Beach in October? Average water temperature in St. Augustine Beach in October is 78.4°F and therefore suitable for comfortable swimming. The warmest sea in St. Augustine Beach in October is 84.2°F, and the coldest is 71.4°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in St. Augustine Beach

Changes water temperature in St. Augustine Beach in October 2025, 2024

To get an accurate forecast for the water temperature in St. Augustine 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 St. Augustine Beach, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of October.

You can choose any other years:

Year 1:   Year 2:


Day 2025 2024 Min Max
October 181.3°F83.1°F79.2°F83.8°F
October 280.6°F82.6°F77.2°F84.2°F
October 380.1°F83.1°F77°F84.2°F
October 479.9°F83.1°F77°F84°F
October 579.7°F82.4°F75.6°F83.3°F
October 679.3°F82.2°F75.4°F83.5°F
October 779.5°F81.7°F75.2°F83.1°F
October 879.7°F81.3°F76.5°F83.3°F
October 980.2°F80.8°F76.5°F82.8°F
October 1079.7°F80.1°F77°F82.2°F
October 1179.3°F78.6°F75.9°F82.4°F
October 1276.6°F77.5°F76.3°F82.6°F
October 1376.8°F76.6°F76.6°F82.4°F
October 1476.6°F77.2°F76.6°F82.2°F
October 1577.2°F77.2°F77°F81.9°F
Day 2025 2024 Min Max
October 1676.6°F76.3°F76.3°F82.6°F
October 1776.3°F76.1°F76.1°F82.4°F
October 1876.3°F75°F74.3°F82.6°F
October 1975.2°F75.2°F74.1°F82.2°F
October 2075.6°F74.3°F73.9°F82.2°F
October 2176.3°F73.6°F73.6°F82.2°F
October 2276.3°F73.8°F73.8°F81.3°F
October 2376.6°F73.2°F73.2°F81°F
October 2475.9°F73.4°F73°F79.9°F
October 25 74.1°F73°F79.7°F
October 26 73.8°F73.8°F79.5°F
October 27 73.8°F73.6°F79.3°F
October 28 74.7°F73.2°F79.3°F
October 29 75°F71.6°F80.1°F
October 30 74.3°F72.1°F80.4°F
October 31 74.8°F71.4°F81°F
St. Augustine Beach water temp chart in October

Average water temperature in St. Augustine Beach in October over a decade

20152016201720182019
77.5°F78.1°F79.2°F81.5°F80.1°F
20202021202220232024
79.3°F80.2°F75.7°F76.5°F77.4°F

St. Augustine Beach sea state in October

Chart comparing the height of waves in St. Augustine Beach in October 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 St. Augustine Beach in October

St. Augustine 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 October?

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

AvrMinMax
Sarasota80.8°F72.7°F86.9°F
Key West83.3°F78.6°F86.9°F
Naples81.7°F74.5°F86.9°F
Miami Beach83.3°F79.3°F86.4°F
Fort Myers Beach81.3°F73.9°F86.7°F
Destin78.4°F72.9°F84.7°F
Fort Lauderdale83.3°F79.7°F86.4°F
Key Largo83.1°F77.4°F86.4°F
Cocoa Beach80.2°F73.4°F85.1°F
Clearwater Beach79.7°F68.9°F86.7°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 St. Augustine 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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