| | Northbridge, MA | Londonderry, NH | United States |
| Rainfall | 48.8 | 46.2 | 38.1 |
| Snowfall | 43.8 | 57.6 | 27.8 |
| Precipitation Days | 119.8 | 123.3 | 106.2 |
| Sunny | 197 | 200 | 205 |
| Avg. July High | 82.4 | 82.2 | 85.8 |
| Avg. Jan. Low | 13.4 | 13.5 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.8 | 7 |
| UV Index | 3.3 | 3.4 | 4.3 |
| Elevation ft. | 269 | 413 | 2443 |