| | Winchester, MA | Cohasset, MA | United States |
| Rainfall | 46.9 | 52.4 | 38.1 |
| Snowfall | 52.7 | 45.5 | 27.8 |
| Precipitation Days | 134.5 | 128.8 | 106.2 |
| Sunny | 200 | 201 | 205 |
| Avg. July High | 82.3 | 82.8 | 85.8 |
| Avg. Jan. Low | 19 | 20.9 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 7 | 7 |
| UV Index | 3.5 | 3.5 | 4.3 |
| Elevation ft. | 20 | 16 | 2443 |