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Saint Augustine in December

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

58.0 °F

Average:

65.6 °F

Maximum:

71.0 °F

Sea water temperature in Saint Augustine in December

In the city of Saint Augustine, the month of December is somewhat too cool for swimming. The minimum recorded temperature during this month was 58.0°F on December 31, 2022, with an average temperature being 65.6°F and a maximum temperature reaching 71.0°F on December 2, 2020.

Most people would find such water temperature somewhat too cold for swimming. In December, the sea temperature remains relatively stable. The average temperature stays close to 65.6°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Dec 1 67.4°F 67.1°F 66.2°F
Dec 2 67.4°F 67.2°F 65.7°F
Dec 3 67.4°F 67.4°F 65.4°F
Dec 4 67.3°F 67.7°F 65.2°F
Dec 5 67.2°F 67.7°F 65.4°F
Dec 6 67.2°F 67.6°F 66.5°F
Dec 7 67.4°F 66.2°F 67.7°F
Dec 8 67.2°F 65.8°F 68.3°F
Dec 9 67.0°F 66.0°F 68.2°F
Dec 10 66.6°F 66.7°F 67.8°F
Dec 11 66.4°F 66.5°F 68.1°F
Dec 12 65.9°F 65.3°F 67.5°F
Dec 13 65.6°F 65.1°F 67.2°F
Dec 14 65.5°F 65.3°F 67.2°F
Dec 15 65.2°F 63.9°F 67.1°F
Dec 16 65.1°F 63.9°F 66.3°F
Dec 17 65.3°F 64.0°F 66.3°F
Dec 18 65.3°F 64.2°F 65.9°F
Dec 19 65.2°F 63.2°F 66.3°F
Dec 20 65.5°F 63.4°F 65.4°F
Dec 21 64.8°F 62.3°F 65.3°F
Dec 22 64.7°F 61.3°F 65.4°F
Dec 23 64.6°F 61.6°F 65.2°F
Dec 24 64.3°F 61.1°F 63.6°F
Dec 25 64.2°F 60.2°F 62.8°F
Dec 26 64.0°F 60.8°F 62.1°F
Dec 27 63.9°F 61.1°F 62.0°F
Dec 28 64.1°F 61.6°F 61.0°F
Dec 29 64.1°F 61.5°F 60.2°F
Dec 30 63.9°F 60.5°F 59.5°F
Dec 31 63.6°F 60.9°F 58.0°F

Sea water temperature in Saint Augustine by month

In Saint Augustine, the months May through October offer comfortable swimming conditions, which amounts to 190 swimming days. The warmest water in Saint Augustine was recorded on July 24, 2016, reaching a 86.2°F. While the coldest temperature occurred on January 19, 2018, dipping to 50.0°F. The average readings by season are 63.1°F in Winter, 69.8°F in Spring, 81.9°F in Summer, and 77.5°F in Autumn. December's average temperature is a slight drop from November's average of 71.5°F. In January, the temperature is expected to decrease further, potentially averaging around 62.3°F.