| | Ipswich, MA | Bethesda, MD | United States |
| Rainfall | 48.5 | 42.7 | 38.1 |
| Snowfall | 52.1 | 17.2 | 27.8 |
| Precipitation Days | 117 | 113.9 | 106.2 |
| Sunny | 201 | 197 | 205 |
| Avg. July High | 80.7 | 86.7 | 85.8 |
| Avg. Jan. Low | 16.3 | 25.3 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 7.3 | 7 |
| UV Index | 3.2 | 4.1 | 4.3 |
| Elevation ft. | 26 | 318 | 2443 |