| | Windham, CT | New London, CT | United States |
| Rainfall | 50.5 | 50.1 | 38.1 |
| Snowfall | 33.4 | 25.7 | 27.8 |
| Precipitation Days | 117.4 | 118.1 | 106.2 |
| Sunny | 192 | 203 | 205 |
| Avg. July High | 81.5 | 80.7 | 85.8 |
| Avg. Jan. Low | 14.9 | 21 | 21.7 |
| Comfort Index (higher=better) | 7 | 7.1 | 7 |
| UV Index | 3.5 | 3.3 | 4.3 |
| Elevation ft. | 272 | 56 | 2443 |