| | Montville, CT | Waterford, CT | United States |
| Rainfall | 50.9 | 50.1 | 38.1 |
| Snowfall | 29.3 | 26.3 | 27.8 |
| Precipitation Days | 118.5 | 118 | 106.2 |
| Sunny | 205 | 209 | 205 |
| Avg. July High | 80.8 | 80.7 | 85.8 |
| Avg. Jan. Low | 19.5 | 21 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 7.2 | 7 |
| UV Index | 3.3 | 3.3 | 4.3 |
| Elevation ft. | 299 | 30 | 2443 |