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:
70.5 °F
Average:
76.0 °F
Maximum:
81.6 °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 70.5°F on August 31, 2017, with an average temperature being 76.0°F and a maximum temperature reaching 81.6°F on August 3, 2020.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Aug 1 | 76.0°F | 78.2°F | 75.6°F |
| Aug 2 | 76.2°F | 78.7°F | 75.9°F |
| Aug 3 | 76.4°F | 78.8°F | 75.2°F |
| Aug 4 | 76.2°F | 79.8°F | 74.5°F |
| Aug 5 | 76.3°F | 79.3°F | 74.2°F |
| Aug 6 | 76.1°F | 79.3°F | 73.7°F |
| Aug 7 | 76.1°F | 79.6°F | 74.3°F |
| Aug 8 | 76.0°F | 78.8°F | 74.2°F |
| Aug 9 | 75.9°F | 78.2°F | 74.4°F |
| Aug 10 | 75.8°F | 78.1°F | 74.6°F |
| Aug 11 | 76.1°F | 78.4°F | 74.1°F |
| Aug 12 | 76.2°F | 78.5°F | 74.0°F |
| Aug 13 | 76.4°F | 78.7°F | 74.5°F |
| Aug 14 | 76.6°F | 78.9°F | 75.9°F |
| Aug 15 | 76.6°F | 78.9°F | 75.1°F |
| Aug 16 | 76.4°F | 76.7°F | 75.3°F |
| Aug 17 | 76.3°F | 76.2°F | 73.9°F |
| Aug 18 | 76.4°F | 76.3°F | 76.7°F |
| Aug 19 | 76.5°F | 76.9°F | 77.4°F |
| Aug 20 | 76.4°F | 76.7°F | 75.6°F |
| Aug 21 | 76.3°F | 76.5°F | 75.6°F |
| Aug 22 | 75.8°F | 74.3°F | 74.9°F |
| Aug 23 | 75.6°F | 73.3°F | 75.1°F |
| Aug 24 | 75.3°F | 73.0°F | 74.6°F |
| Aug 25 | 75.5°F | 72.6°F | 74.4°F |
| Aug 26 | 75.3°F | 73.1°F | 73.3°F |
| Aug 27 | 75.6°F | 72.8°F | 74.9°F |
| Aug 28 | 75.7°F | 74.6°F | 75.8°F |
| Aug 29 | 75.5°F | 74.6°F | 74.5°F |
| Aug 30 | 75.3°F | 74.4°F | 73.9°F |
| Aug 31 | 75.3°F | 74.1°F | 74.4°F |
In Charleston, the months July through August offer comfortable swimming conditions, which amounts to 68 swimming days.
The warmest water in Charleston was recorded on July 20, 2020, reaching a 81.8°F. While the coldest temperature occurred on January 19, 2022, dipping to 33.6°F. The average readings by season are 42.0°F in Winter, 49.1°F in Spring, 73.0°F in Summer, and 63.3°F in Autumn.
In August, the temperature is higher than July's average of 75.4°F and September's average of 72.2°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Staten Island |
53.4°F
|
5mi |
| Coney Island |
54.8°F
|
13mi |
| Jersey City |
53.6°F
|
16mi |
| Brooklyn |
54.4°F
|
17mi |
| New York City |
53.6°F
|
17mi |
* current water temperature in this city
** straight line distance from Charleston