| Rocky Hill, NJ | Princeton, NJ | United States |
Rainfall | 48.3 | 47.4 | 38.1 |
Snowfall | 23 | 24 | 27.8 |
Precipitation Days | 120 | 124.6 | 106.2 |
Sunny | 207 | 204 | 205 |
Avg. July High | 85.7 | 85.6 | 85.8 |
Avg. Jan. Low | 21.5 | 22 | 21.7 |
Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
UV Index | 3.6 | 4 | 4.3 |
Elevation ft. | 85 | 213 | 2443 |