| | Seabrook, MD | Timonium, MD | United States |
| Rainfall | 43 | 46 | 38 |
| Snowfall | 15 | 21 | 28 |
| Precipitation | 109 | 122 | 106 |
| Sunny | 203 | 213 | 205 |
| Avg. July High | 88 | 87 | 86 |
| Avg. Jan. Low | 24 | 25 | 22 |
| Comfort Index (higher=better) | 7.3 | 7.3 | 7 |
| UV Index | 4.3 | 4.1 | 4.3 |
| Elevation | 151 | 407 | 2443 |