| | Boonsboro, MD | Towson, MD | United States |
| Rainfall | 41.7 | 45.1 | 38.1 |
| Snowfall | 19.8 | 20.5 | 27.8 |
| Precipitation Days | 114.6 | 121.1 | 106.2 |
| Sunny | 193 | 212 | 205 |
| Avg. July High | 86.5 | 87.2 | 85.8 |
| Avg. Jan. Low | 21 | 25 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
| UV Index | 3.9 | 4.1 | 4.3 |
| Elevation ft. | 545 | 463 | 2443 |