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Sullivans Island in August

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

79.4 °F

Average:

83.8 °F

Maximum:

86.6 °F

Sea water temperature in Sullivans Island in August

In the city of Sullivans Island, the month of August is a great time for swimming. The minimum recorded temperature during this month was 79.4°F on August 25, 2024, with an average temperature being 83.8°F and a maximum temperature reaching 86.6°F on August 22, 2016.

The watter temperature range during this month provides a satisfying and enjoyable experience in the water. In August, the sea temperature remains relatively stable. The average temperature stays close to 83.8°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Aug 1 83.9°F 84.0°F 85.0°F
Aug 2 83.9°F 83.9°F 84.2°F
Aug 3 83.9°F 84.8°F 84.0°F
Aug 4 83.5°F 85.3°F 83.8°F
Aug 5 83.5°F 85.1°F 83.7°F
Aug 6 83.5°F 85.0°F 84.1°F
Aug 7 83.5°F 83.2°F 83.9°F
Aug 8 83.5°F 82.3°F 85.8°F
Aug 9 83.5°F 82.4°F 84.5°F
Aug 10 83.7°F 82.6°F 84.7°F
Aug 11 83.6°F 82.5°F 84.5°F
Aug 12 84.1°F 83.0°F 85.4°F
Aug 13 84.3°F 83.2°F 85.0°F
Aug 14 84.5°F 83.4°F 86.1°F
Aug 15 84.4°F 83.3°F 86.4°F
Aug 16 84.2°F 83.4°F 86.4°F
Aug 17 84.2°F 83.7°F 85.8°F
Aug 18 84.1°F 82.8°F 85.4°F
Aug 19 84.0°F 83.5°F 85.6°F
Aug 20 84.1°F 83.7°F 84.8°F
Aug 21 84.3°F 83.6°F 85.1°F
Aug 22 84.5°F 84.0°F 85.6°F
Aug 23 84.5°F 83.6°F 86.1°F
Aug 24 84.1°F 81.4°F 86.1°F
Aug 25 83.5°F 79.4°F 83.3°F
Aug 26 83.5°F 80.0°F 84.5°F
Aug 27 83.2°F 80.3°F 84.1°F
Aug 28 83.3°F 81.1°F 85.0°F
Aug 29 83.3°F 81.9°F 85.2°F
Aug 30 83.3°F 83.2°F 85.7°F
Aug 31 83.4°F 83.2°F 85.2°F

Sea water temperature in Sullivans Island by month

In Sullivans Island, the months May through October offer comfortable swimming conditions, which amounts to 156 swimming days. The warmest water in Sullivans Island was recorded on July 19, 2024, reaching a 86.8°F. While the coldest temperature occurred on January 8, 2018, dipping to 47.0°F. The average readings by season are 57.8°F in Winter, 67.0°F in Spring, 82.6°F in Summer, and 73.8°F in Autumn. In August, the temperature is higher than July's average of 83.7°F and September's average of 81.2°F.