| | Westfield, MA | Hamilton, MA | United States |
| Rainfall | 47.7 | 48.4 | 38.1 |
| Snowfall | 40.2 | 43.6 | 27.8 |
| Precipitation Days | 117.3 | 113.7 | 106.2 |
| Sunny | 188 | 201 | 205 |
| Avg. July High | 83.1 | 79.9 | 85.8 |
| Avg. Jan. Low | 15.1 | 18.1 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.9 | 7 |
| UV Index | 3.4 | 3.2 | 4.3 |
| Elevation ft. | 141 | 46 | 2443 |