| | Hadley, MA | Holyoke, MA | United States |
| Rainfall | 46.2 | 45.1 | 38.1 |
| Snowfall | 41.7 | 40.2 | 27.8 |
| Precipitation Days | 117.5 | 115.5 | 106.2 |
| Sunny | 190 | 190 | 205 |
| Avg. July High | 82.1 | 82.4 | 85.8 |
| Avg. Jan. Low | 12.6 | 13.7 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 6.9 | 7 |
| UV Index | 3.3 | 3.4 | 4.3 |
| Elevation ft. | 128 | 190 | 2443 |