| Royersford, PA | Norristown, PA | United States |
Rainfall | 45.5 | 46.9 | 38.1 |
Snowfall | 20.9 | 16.7 | 27.8 |
Precipitation Days | 111.4 | 113.6 | 106.2 |
Sunny | 204 | 209 | 205 |
Avg. July High | 84.7 | 87.2 | 85.8 |
Avg. Jan. Low | 21.5 | 21.2 | 21.7 |
Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
UV Index | 4.1 | 4.1 | 4.3 |
Elevation ft. | 210 | 154 | 2443 |