| | Cromwell, CT | West Haven, CT | United States |
| Rainfall | 47.5 | 47.7 | 38.1 |
| Snowfall | 34.7 | 29 | 27.8 |
| Precipitation Days | 117.3 | 107.5 | 106.2 |
| Sunny | 190 | 208 | 205 |
| Avg. July High | 84.1 | 83.3 | 85.8 |
| Avg. Jan. Low | 18.8 | 20.5 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.2 | 7 |
| UV Index | 3.4 | 3.5 | 4.3 |
| Elevation ft. | 30 | 13 | 2443 |