| | Plymouth, NH | Charlton, MA | United States |
| Rainfall | 44.7 | 49.5 | 38.1 |
| Snowfall | 72.5 | 49 | 27.8 |
| Precipitation Days | 142.9 | 132.2 | 106.2 |
| Sunny | 194 | 197 | 205 |
| Avg. July High | 80.9 | 80.8 | 85.8 |
| Avg. Jan. Low | 7.5 | 13.9 | 21.7 |
| Comfort Index (higher=better) | 6.3 | 6.7 | 7 |
| UV Index | 3.1 | 3.3 | 4.3 |
| Elevation ft. | 515 | 889 | 2443 |