| | Dennis, MA | Granby, CT | United States |
| Rainfall | 46.6 | 49.2 | 38.1 |
| Snowfall | 24.8 | 40.4 | 27.8 |
| Precipitation Days | 106.2 | 118.6 | 106.2 |
| Sunny | 201 | 190 | 205 |
| Avg. July High | 78.7 | 83 | 85.8 |
| Avg. Jan. Low | 22.7 | 15.1 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 6.9 | 7 |
| UV Index | 3.4 | 3.3 | 4.3 |
| Elevation ft. | 20 | 213 | 2443 |