| | Seymour, CT | Shelton, CT | United States |
| Rainfall | 51.5 | 51.2 | 38.1 |
| Snowfall | 37.1 | 40 | 27.8 |
| Precipitation Days | 114.1 | 113.6 | 106.2 |
| Sunny | 206 | 176 | 205 |
| Avg. July High | 84.1 | 83.2 | 85.8 |
| Avg. Jan. Low | 19.4 | 18.7 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7 | 7 |
| UV Index | 3.5 | 3.4 | 4.3 |
| Elevation ft. | 92 | 43 | 2443 |