| | North Stonington, CT | Montville, CT | United States |
| Rainfall | 48.5 | 50.9 | 38.1 |
| Snowfall | 30 | 29.3 | 27.8 |
| Precipitation Days | 116.4 | 118.5 | 106.2 |
| Sunny | 210 | 205 | 205 |
| Avg. July High | 81.2 | 80.8 | 85.8 |
| Avg. Jan. Low | 20.7 | 19.5 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.1 | 7 |
| UV Index | 3.3 | 3.3 | 4.3 |
| Elevation ft. | 131 | 299 | 2443 |