| | Hilton Head Island, SC | Marietta, OH | United States |
| Rainfall | 48.1 | 42.1 | 38.1 |
| Snowfall | 0.1 | 20.3 | 27.8 |
| Precipitation Days | 103.4 | 145.3 | 106.2 |
| Sunny | 215 | 172 | 205 |
| Avg. July High | 90.8 | 84.8 | 85.8 |
| Avg. Jan. Low | 39.2 | 22.1 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.1 | 7 |
| UV Index | 5.5 | 4.3 | 4.3 |
| Elevation ft. | 10 | 614 | 2443 |