| | Hardwick, MA | Petersham, MA | United States |
| Rainfall | 50.2 | 51.4 | 38.1 |
| Snowfall | 54.1 | 61.5 | 27.8 |
| Precipitation Days | 122.3 | 124.3 | 106.2 |
| Sunny | 197 | 197 | 205 |
| Avg. July High | 79.9 | 79.8 | 85.8 |
| Avg. Jan. Low | 13.5 | 11.5 | 21.7 |
| Comfort Index (higher=better) | 6.6 | 6.5 | 7 |
| UV Index | 3.3 | 3.3 | 4.3 |
| Elevation ft. | 883 | 1083 | 2443 |