| | Bluffton, SC | Chapin, SC | United States |
| Rainfall | 48.1 | 45.1 | 38.1 |
| Snowfall | 0.1 | 1 | 27.8 |
| Precipitation Days | 103.6 | 99.1 | 106.2 |
| Sunny | 217 | 219 | 205 |
| Avg. July High | 90.9 | 91.6 | 85.8 |
| Avg. Jan. Low | 39.2 | 29.7 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.4 | 7 |
| UV Index | 5.5 | 4.7 | 4.3 |
| Elevation ft. | 20 | 463 | 2443 |