Charleston in April
Find out everything about the water temperature in Charleston in April. Average, minimum and maximum recorded temperatures as well as daily temperature in April for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in April
Minimum:
40.5 °F
Average:
48.5 °F
Maximum:
56.9 °F
Sea water temperature in Charleston in April
In the city of Charleston, the month of April is too cold for swimming. The minimum recorded temperature during this month was 40.5°F on April 1, 2015, with an average temperature being 48.5°F and a maximum temperature reaching 56.9°F on April 18, 2023.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Apr 1 | 44.3°F | 46.1°F | 45.7°F |
| Apr 2 | 44.6°F | 45.6°F | 45.6°F |
| Apr 3 | 44.9°F | 45.6°F | 47.6°F |
| Apr 4 | 45.1°F | 45.4°F | 48.5°F |
| Apr 5 | 45.5°F | 45.4°F | 49.1°F |
| Apr 6 | 45.3°F | 44.7°F | 46.6°F |
| Apr 7 | 45.8°F | 46.1°F | 47.6°F |
| Apr 8 | 46.2°F | 45.9°F | 49.6°F |
| Apr 9 | 46.7°F | 46.6°F | 49.4°F |
| Apr 10 | 46.5°F | 46.9°F | 47.9°F |
| Apr 11 | 47.1°F | 48.2°F | 50.1°F |
| Apr 12 | 46.8°F | 45.0°F | 50.8°F |
| Apr 13 | 47.6°F | 46.6°F | 52.0°F |
| Apr 14 | 48.5°F | 50.1°F | 54.2°F |
| Apr 15 | 49.1°F | 49.7°F | 55.5°F |
| Apr 16 | 49.9°F | 53.3°F | 55.1°F |
| Apr 17 | 50.0°F | 53.7°F | 53.8°F |
| Apr 18 | 49.9°F | 52.1°F | 56.9°F |
| Apr 19 | 50.1°F | 51.7°F | 55.5°F |
| Apr 20 | 50.0°F | 52.1°F | 54.7°F |
| Apr 21 | 50.4°F | 53.6°F | 53.7°F |
| Apr 22 | 50.3°F | 51.8°F | 55.3°F |
| Apr 23 | 50.5°F | 52.1°F | 54.8°F |
| Apr 24 | 50.6°F | 52.9°F | 56.0°F |
| Apr 25 | 50.9°F | 53.9°F | 56.7°F |
| Apr 26 | 50.8°F | 52.9°F | 56.4°F |
| Apr 27 | 51.1°F | 52.9°F | 55.4°F |
| Apr 28 | 51.5°F | 52.6°F | 55.1°F |
| Apr 29 | 51.9°F | 52.6°F | 54.9°F |
| Apr 30 | 51.9°F | 53.3°F | 54.6°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.
The average temperature in April is slightly warmer than March's average of 41.6°F. And in May, the temperature is expected to rise further, potentially reaching an average of 57.3°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Staten Island |
53.0°F
|
5mi |
| Coney Island |
54.0°F
|
13mi |
| Jersey City |
53.1°F
|
16mi |
| Brooklyn |
53.7°F
|
17mi |
| New York City |
53.1°F
|
17mi |
* current water temperature in this city
** straight line distance from Charleston