| Portsmouth, NH | Nantucket, MA | United States |
Rainfall | 50.1 | 45.9 | 38.1 |
Snowfall | 53.2 | 22.9 | 27.8 |
Precipitation Days | 118.3 | 118 | 106.2 |
Sunny | 198 | 201 | 205 |
Avg. July High | 81.9 | 76.5 | 85.8 |
Avg. Jan. Low | 13.8 | 24.6 | 21.7 |
Comfort Index (higher=better) | 6.8 | 7.1 | 7 |
UV Index | 3.4 | 3.7 | 4.3 |
Elevation ft. | 20 | 23 | 2443 |