| Winchester, MA | Groton, MA | United States |
Rainfall | 46.9 | 47.3 | 38.1 |
Snowfall | 52.7 | 56.5 | 27.8 |
Precipitation Days | 134.5 | 126.4 | 106.2 |
Sunny | 200 | 200 | 205 |
Avg. July High | 82.3 | 83.3 | 85.8 |
Avg. Jan. Low | 19 | 14 | 21.7 |
Comfort Index (higher=better) | 6.9 | 6.7 | 7 |
UV Index | 3.5 | 3.5 | 4.3 |
Elevation ft. | 20 | 331 | 2443 |