| | Plymouth, NH | Littleton, NH | United States |
| Rainfall | 44.7 | 38.4 | 38.1 |
| Snowfall | 72.5 | 80.7 | 27.8 |
| Precipitation Days | 142.9 | 162.3 | 106.2 |
| Sunny | 194 | 194 | 205 |
| Avg. July High | 80.9 | 78.9 | 85.8 |
| Avg. Jan. Low | 7.5 | 2.5 | 21.7 |
| Comfort Index (higher=better) | 6.3 | 5.9 | 7 |
| UV Index | 3.1 | 3.1 | 4.3 |
| Elevation ft. | 515 | 823 | 2443 |