| | Greensboro, MD | Glen Burnie, MD | United States |
| Rainfall | 45.1 | 42 | 38.1 |
| Snowfall | 15.2 | 14.1 | 27.8 |
| Precipitation Days | 110.9 | 112.9 | 106.2 |
| Sunny | 204 | 211 | 205 |
| Avg. July High | 86.9 | 89.2 | 85.8 |
| Avg. Jan. Low | 24.7 | 28.1 | 21.7 |
| Comfort Index (higher=better) | 7.3 | 7.2 | 7 |
| UV Index | 3.9 | 4 | 4.3 |
| Elevation ft. | 30 | 56 | 2443 |