| | Bluffton, SC | Isle of Palms, SC | United States |
| Rainfall | 48.1 | 48.3 | 38.1 |
| Snowfall | 0.1 | 0.3 | 27.8 |
| Precipitation Days | 103.6 | 105.5 | 106.2 |
| Sunny | 217 | 210 | 205 |
| Avg. July High | 90.9 | 89.8 | 85.8 |
| Avg. Jan. Low | 39.2 | 39.2 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.2 | 7 |
| UV Index | 5.5 | 5.1 | 4.3 |
| Elevation ft. | 20 | 0 | 2443 |