| | Suffield, CT | Littleton, NH | United States |
| Rainfall | 47 | 38 | 38 |
| Snowfall | 37 | 81 | 28 |
| Precipitation | 118 | 162 | 106 |
| Sunny | 190 | 194 | 205 |
| Avg. July High | 83 | 79 | 86 |
| Avg. Jan. Low | 15 | 3 | 22 |
| Comfort Index (higher=better) | 6.9 | 5.9 | 7 |
| UV Index | 3.3 | 3.1 | 4.3 |
| Elevation | 180 | 823 | 2443 |