| | Concord, MA | Winchester, MA | United States |
| Rainfall | 48 | 46.9 | 38.1 |
| Snowfall | 50.6 | 52.7 | 27.8 |
| Precipitation Days | 130.9 | 134.5 | 106.2 |
| Sunny | 201 | 200 | 205 |
| Avg. July High | 83.2 | 82.3 | 85.8 |
| Avg. Jan. Low | 16.3 | 19 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.9 | 7 |
| UV Index | 3.5 | 3.5 | 4.3 |
| Elevation ft. | 128 | 20 | 2443 |