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Charleston in March

Find out everything about the water temperature in Charleston 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:

54.3 °F

Average:

60.8 °F

Maximum:

69.4 °F

Sea water temperature in Charleston in March

In the city of Charleston, the month of March is somewhat too cool for swimming. The minimum recorded temperature during this month was 54.3°F on March 11, 2021, with an average temperature being 60.8°F and a maximum temperature reaching 69.4°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 60.8°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Mar 1 59.4°F 58.0°F 64.5°F
Mar 2 59.7°F 58.0°F 64.0°F
Mar 3 60.1°F 58.1°F 64.5°F
Mar 4 60.1°F 59.5°F 62.6°F
Mar 5 60.1°F 58.2°F 64.9°F
Mar 6 60.0°F 58.0°F 65.4°F
Mar 7 60.2°F 59.8°F 64.4°F
Mar 8 60.2°F 59.8°F 66.5°F
Mar 9 60.2°F 59.6°F 66.2°F
Mar 10 60.4°F 59.7°F 65.2°F
Mar 11 61.0°F 61.7°F 65.1°F
Mar 12 60.8°F 60.9°F 64.6°F
Mar 13 61.0°F 60.4°F 63.8°F
Mar 14 60.9°F 61.4°F 63.1°F
Mar 15 61.0°F 60.7°F 62.9°F
Mar 16 60.5°F 61.0°F 61.6°F
Mar 17 60.6°F 61.3°F 59.8°F
Mar 18 60.7°F 62.9°F 60.4°F
Mar 19 61.0°F 64.0°F 60.8°F
Mar 20 61.0°F 62.1°F 61.0°F
Mar 21 61.5°F 62.2°F 60.7°F
Mar 22 61.2°F 60.3°F 60.3°F
Mar 23 60.9°F 60.4°F 59.9°F
Mar 24 60.9°F 61.5°F 60.1°F
Mar 25 61.4°F 62.3°F 61.8°F
Mar 26 61.5°F 61.7°F 63.9°F
Mar 27 61.7°F 61.1°F 65.0°F
Mar 28 61.7°F 61.6°F 64.8°F
Mar 29 61.7°F 61.7°F 63.2°F
Mar 30 62.0°F 61.1°F 64.1°F
Mar 31 62.7°F 62.7°F 63.0°F

Sea water temperature in Charleston by month

In Charleston, the months May through October offer comfortable swimming conditions, which amounts to 156 swimming days. The warmest water in Charleston was recorded on July 19, 2024, reaching a 87.3°F. While the coldest temperature occurred on December 29, 2022, dipping to 47.1°F. The average readings by season are 57.8°F in Winter, 67.1°F in Spring, 82.7°F in Summer, and 73.8°F in Autumn. The average temperature in March is slightly warmer than February's average of 57.0°F. And in April, the temperature is expected to rise further, potentially reaching an average of 66.4°F.