Charleston in July
Find out everything about the water temperature in Charleston in July. Average, minimum and maximum recorded temperatures as well as daily temperature in July for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in July
Minimum:
80.9 °F
Average:
83.8 °F
Maximum:
87.3 °F
Sea water temperature in Charleston in July
In the city of Charleston, the month of July is a great time for swimming. The minimum recorded temperature during this month was 80.9°F on July 5, 2015, with an average temperature being 83.8°F and a maximum temperature reaching 87.3°F on July 19, 2024.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Jul 1 | 82.4°F | 84.4°F | 81.6°F |
| Jul 2 | 82.7°F | 84.3°F | 82.3°F |
| Jul 3 | 82.9°F | 83.9°F | 82.8°F |
| Jul 4 | 83.0°F | 84.4°F | 82.1°F |
| Jul 5 | 83.1°F | 84.2°F | 83.5°F |
| Jul 6 | 83.4°F | 84.5°F | 83.6°F |
| Jul 7 | 83.6°F | 85.2°F | 84.3°F |
| Jul 8 | 83.6°F | 85.7°F | 83.1°F |
| Jul 9 | 83.6°F | 85.6°F | 83.8°F |
| Jul 10 | 83.7°F | 85.4°F | 84.6°F |
| Jul 11 | 83.8°F | 86.4°F | 84.4°F |
| Jul 12 | 83.8°F | 86.1°F | 84.5°F |
| Jul 13 | 83.7°F | 86.1°F | 83.6°F |
| Jul 14 | 83.9°F | 86.0°F | 84.5°F |
| Jul 15 | 84.0°F | 86.1°F | 84.3°F |
| Jul 16 | 84.1°F | 86.5°F | 84.9°F |
| Jul 17 | 84.1°F | 86.7°F | 84.6°F |
| Jul 18 | 84.1°F | 86.6°F | 84.2°F |
| Jul 19 | 84.5°F | 87.3°F | 84.8°F |
| Jul 20 | 84.3°F | 85.2°F | 85.4°F |
| Jul 21 | 84.3°F | 85.1°F | 86.0°F |
| Jul 22 | 84.4°F | 85.2°F | 86.1°F |
| Jul 23 | 84.5°F | 86.1°F | 86.5°F |
| Jul 24 | 84.2°F | 84.9°F | 85.0°F |
| Jul 25 | 84.2°F | 84.6°F | 84.8°F |
| Jul 26 | 84.2°F | 84.7°F | 84.3°F |
| Jul 27 | 84.2°F | 84.7°F | 84.6°F |
| Jul 28 | 84.3°F | 84.5°F | 85.2°F |
| Jul 29 | 84.2°F | 84.0°F | 85.7°F |
| Jul 30 | 84.1°F | 83.9°F | 85.6°F |
| Jul 31 | 84.2°F | 84.2°F | 85.4°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 73.8°F in Autumn.
The average temperature in July is slightly warmer than June's average of 80.2°F. And in August, the temperature is expected to rise further, potentially reaching an average of 83.9°F.