| Williamstown, NJ | Irmo, SC | United States |
Rainfall | 46 | 44.8 | 38.1 |
Snowfall | 18.6 | 0.9 | 27.8 |
Precipitation Days | 115.5 | 103.3 | 106.2 |
Sunny | 207 | 222 | 205 |
Avg. July High | 86.7 | 93 | 85.8 |
Avg. Jan. Low | 23.1 | 30.3 | 21.7 |
Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
UV Index | 3.8 | 4.9 | 4.3 |
Elevation ft. | 144 | 358 | 2443 |