| | Isle of Palms, SC | Marco Island, FL | United States |
| Rainfall | 48.3 | 54.1 | 38.1 |
| Snowfall | 0.3 | 0 | 27.8 |
| Precipitation Days | 105.5 | 119.9 | 106.2 |
| Sunny | 210 | 266 | 205 |
| Avg. July High | 89.8 | 90.3 | 85.8 |
| Avg. Jan. Low | 39.2 | 52.7 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 6.7 | 7 |
| UV Index | 5.1 | 7.1 | 4.3 |
| Elevation ft. | 0 | 11 | 2443 |