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Jacksonville Beach in March

Find out everything about the water temperature in Jacksonville Beach in March. Average, minimum and maximum recorded temperatures as well as daily temperature in March for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in March
Minimum:

57.6 °F

Average:

63.4 °F

Maximum:

71.5 °F

Sea water temperature in Jacksonville Beach in March

In the city of Jacksonville Beach, the month of March is somewhat too cool for swimming. The minimum recorded temperature during this month was 57.6°F on March 1, 2015, with an average temperature being 63.4°F and a maximum temperature reaching 71.5°F on March 31, 2020.

Most people would find such water temperature somewhat too cold for swimming. In March, the sea temperature remains relatively stable. The average temperature stays close to 63.4°F throughout the month, with minimal changes.
Date 10 years average 2025 2024
Mar 1 61.5°F 58.3°F 58.9°F
Mar 2 61.9°F 59.4°F 59.3°F
Mar 3 62.0°F 59.0°F 59.6°F
Mar 4 62.3°F 58.9°F 59.9°F
Mar 5 62.0°F 59.6°F 59.9°F
Mar 6 61.9°F 59.1°F 60.1°F
Mar 7 62.3°F 59.7°F 62.1°F
Mar 8 62.0°F 60.0°F 61.2°F
Mar 9 62.1°F 60.0°F 63.3°F
Mar 10 62.1°F 59.9°F 62.8°F
Mar 11 62.5°F 60.4°F 63.8°F
Mar 12 62.7°F 60.8°F 63.8°F
Mar 13 63.2°F 61.6°F 63.3°F
Mar 14 63.2°F 61.3°F 63.6°F
Mar 15 63.4°F 60.8°F 63.9°F
Mar 16 63.7°F 62.8°F 64.6°F
Mar 17 63.9°F 62.4°F 64.5°F
Mar 18 63.8°F 62.6°F 64.8°F
Mar 19 64.2°F 62.4°F 65.3°F
Mar 20 64.3°F 63.0°F 64.3°F
Mar 21 64.2°F 63.1°F 63.7°F
Mar 22 63.8°F 62.9°F 63.4°F
Mar 23 63.8°F 63.1°F 63.3°F
Mar 24 64.0°F 62.9°F 65.2°F
Mar 25 64.1°F 63.4°F 64.1°F
Mar 26 64.6°F 64.2°F 64.3°F
Mar 27 64.8°F 65.2°F 64.0°F
Mar 28 65.2°F 65.2°F 63.9°F
Mar 29 65.3°F 65.9°F 64.3°F
Mar 30 65.7°F 66.7°F 64.9°F
Mar 31 66.1°F 65.9°F 64.8°F

Sea water temperature in Jacksonville Beach by month

In Jacksonville Beach, the months May through October offer comfortable swimming conditions, which amounts to 190 swimming days. The warmest water in Jacksonville Beach was recorded on July 25, 2016, reaching a 86.5°F. While the coldest temperature occurred on January 19, 2018, dipping to 50.0°F. The average readings by season are 61.5°F in Winter, 69.4°F in Spring, 82.1°F in Summer, and 77.2°F in Autumn. The average temperature in March is slightly warmer than February's average of 59.9°F. And in April, the temperature is expected to rise further, potentially reaching an average of 69.3°F.