| Aiken, SC | Gaithersburg, MD | United States |
Rainfall | 47.7 | 42.2 | 38.1 |
Snowfall | 0.6 | 21.4 | 27.8 |
Precipitation Days | 103 | 112.7 | 106.2 |
Sunny | 216 | 202 | 205 |
Avg. July High | 92.1 | 85.1 | 85.8 |
Avg. Jan. Low | 34.1 | 25 | 21.7 |
Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
UV Index | 4.7 | 4.1 | 4.3 |
Elevation ft. | 515 | 502 | 2443 |