Water temperature in Charleston (SC) in June
Is it warm enough to swim in Charleston in June? Average water temperature in Charleston in June is 79.9°F and therefore suitable for comfortable swimming. The warmest sea in Charleston in June is 84.7°F, and the coldest is 71.4°F. Average high air temperature in Charleston in June is 88°F, and average low temperature is 70°F. To find out the sea temperature today and in the coming days, go to Current sea temperature in Charleston
Changes water temperature in Charleston in June 2025, 2024
To get an accurate forecast for the water temperature in Charleston for any chosen month, compare two years within a 10 year range using the chart below. In addition to the sea water temperature in Charleston, the selected years in the table also show the values of the maximum and minimum temperatures on each of the days of June.
You can choose any other years:
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| June 1 | 77.4°F | 76.8°F | 72.7°F | 81°F |
| June 2 | 77.4°F | 77°F | 71.4°F | 79.9°F |
| June 3 | 77.9°F | 77.5°F | 72.7°F | 79.7°F |
| June 4 | 77.9°F | 77.7°F | 72.7°F | 80.4°F |
| June 5 | 79.2°F | 78.8°F | 72.5°F | 80.2°F |
| June 6 | 79.2°F | 79°F | 72.7°F | 80.4°F |
| June 7 | 79°F | 79.2°F | 73.4°F | 80.8°F |
| June 8 | 79°F | 80.1°F | 73.8°F | 80.6°F |
| June 9 | 79.9°F | 79.9°F | 75°F | 81°F |
| June 10 | 79.7°F | 80.1°F | 74.7°F | 81.1°F |
| June 11 | 80.2°F | 80.6°F | 75.6°F | 81.1°F |
| June 12 | 79.7°F | 79.7°F | 76.5°F | 81.1°F |
| June 13 | 79.5°F | 79.7°F | 76.8°F | 82°F |
| June 14 | 79.3°F | 80.1°F | 76.6°F | 82.2°F |
| June 15 | 79.9°F | 80.4°F | 76.6°F | 83.1°F |
| Day | 2025 | 2024 | Min | Max |
|---|---|---|---|---|
| June 16 | 79.3°F | 82°F | 76.3°F | 83.1°F |
| June 17 | 79.7°F | 81.5°F | 77.4°F | 83.5°F |
| June 18 | 80.2°F | 81.5°F | 74.3°F | 83.7°F |
| June 19 | 80.6°F | 81.3°F | 74.8°F | 83.3°F |
| June 20 | 81.5°F | 80.8°F | 76.8°F | 83.7°F |
| June 21 | 81.7°F | 81°F | 77.4°F | 83.8°F |
| June 22 | 81.7°F | 78.4°F | 83.7°F | |
| June 23 | 83.3°F | 81.9°F | 79°F | 83.5°F |
| June 24 | 82.8°F | 82.2°F | 79.3°F | 83.1°F |
| June 25 | 83.3°F | 82.6°F | 78.8°F | 83.3°F |
| June 26 | 83.1°F | 82.8°F | 79.2°F | 83.8°F |
| June 27 | 82.8°F | 82.9°F | 78.6°F | 83.8°F |
| June 28 | 83.3°F | 83.7°F | 78.8°F | 84°F |
| June 29 | 83.3°F | 84.7°F | 79.2°F | 84.7°F |
| June 30 | 83.3°F | 84.6°F | 79.9°F | 84.6°F |
Average water temperature in Charleston in June over a decade
| 2016 | 2017 | 2018 | 2019 | 2020 |
| 80.4°F | 80.1°F | 81.1°F | 81.1°F | 78.6°F |
| 2021 | 2022 | 2023 | 2024 | 2025 |
| 79°F | 80.8°F | 76.6°F | 80.8°F | 80.4°F |
Charleston sea state in June
Chart comparing the height of waves in Charleston in June over the past years. The red line indicates the height of the waves when swimming in the sea is prohibited. To view the current sea conditions, click on the graph.
Weather and climate in Charleston in June
This data display average monthly climate indicators in Charleston in June based on our historical weather readings over a period of ten years. In addition to temperature, we include data on the number of rainy and sunny days so you can have all the information about your destination before your trip
- Average HIGH temperature88°F
- Average LOW temperature70°F
- Average humidity
75 - Average rainfall days12 days
- Average rainfall145mm/5.7''
- Average daylight14h
- Average sunshine9.3h
- Average UV index10
Charleston water temperature during other months:
You can also view information about water temperature for other months by clicking on the month button below
