Charleston in August
Find out everything about the water temperature in Charleston 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:
80.2 °F
Average:
83.9 °F
Maximum:
86.7 °F
Sea water temperature in Charleston in August
In the city of Charleston, the month of August is a great time for swimming. The minimum recorded temperature during this month was 80.2°F on August 25, 2024, with an average temperature being 83.9°F and a maximum temperature reaching 86.7°F on August 15, 2023.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Aug 1 | 84.1°F | 84.2°F | 85.2°F |
| Aug 2 | 84.1°F | 84.0°F | 84.5°F |
| Aug 3 | 84.1°F | 84.9°F | 84.3°F |
| Aug 4 | 83.7°F | 85.3°F | 84.1°F |
| Aug 5 | 83.7°F | 85.1°F | 83.9°F |
| Aug 6 | 83.8°F | 85.2°F | 84.1°F |
| Aug 7 | 83.6°F | 83.5°F | 84.0°F |
| Aug 8 | 83.6°F | 82.4°F | 86.0°F |
| Aug 9 | 83.6°F | 82.1°F | 84.9°F |
| Aug 10 | 83.7°F | 82.3°F | 84.9°F |
| Aug 11 | 83.7°F | 82.3°F | 84.6°F |
| Aug 12 | 84.1°F | 82.7°F | 85.4°F |
| Aug 13 | 84.4°F | 82.9°F | 85.2°F |
| Aug 14 | 84.5°F | 83.1°F | 86.1°F |
| Aug 15 | 84.4°F | 83.0°F | 86.7°F |
| Aug 16 | 84.3°F | 83.5°F | 86.7°F |
| Aug 17 | 84.3°F | 83.8°F | 86.2°F |
| Aug 18 | 84.2°F | 82.9°F | 85.8°F |
| Aug 19 | 84.2°F | 83.5°F | 85.8°F |
| Aug 20 | 84.2°F | 83.4°F | 85.2°F |
| Aug 21 | 84.4°F | 83.6°F | 85.3°F |
| Aug 22 | 84.6°F | 83.9°F | 85.4°F |
| Aug 23 | 84.6°F | 84.0°F | 85.9°F |
| Aug 24 | 84.4°F | 82.2°F | 86.6°F |
| Aug 25 | 83.8°F | 80.2°F | 83.9°F |
| Aug 26 | 83.7°F | 80.5°F | 84.7°F |
| Aug 27 | 83.4°F | 80.5°F | 84.1°F |
| Aug 28 | 83.3°F | 80.8°F | 85.1°F |
| Aug 29 | 83.4°F | 81.4°F | 85.5°F |
| Aug 30 | 83.4°F | 82.7°F | 86.0°F |
| Aug 31 | 83.4°F | 82.9°F | 85.6°F |
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 73.7°F in Autumn.
In August, the temperature is higher than July's average of 83.8°F and September's average of 81.3°F.