| | Sunderland, MA | Dalton, MA | United States |
| Rainfall | 47.7 | 45.4 | 38.1 |
| Snowfall | 44.2 | 70.9 | 27.8 |
| Precipitation Days | 118.6 | 136.7 | 106.2 |
| Sunny | 190 | 185 | 205 |
| Avg. July High | 82.5 | 79.3 | 85.8 |
| Avg. Jan. Low | 12.5 | 10.8 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 6.3 | 7 |
| UV Index | 3.4 | 3.3 | 4.3 |
| Elevation ft. | 138 | 1129 | 2443 |