| | Merrimac, MA | Melrose, MA | United States |
| Rainfall | 49.9 | 48 | 38.1 |
| Snowfall | 56.5 | 47.6 | 27.8 |
| Precipitation Days | 129.5 | 129 | 106.2 |
| Sunny | 201 | 203 | 205 |
| Avg. July High | 82.4 | 81.3 | 85.8 |
| Avg. Jan. Low | 14.9 | 18.8 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 6.9 | 7 |
| UV Index | 3.2 | 3.5 | 4.3 |
| Elevation ft. | 102 | 59 | 2443 |