| | Mountville, PA | Millersville, PA | United States |
| Rainfall | 42.6 | 42.6 | 38.1 |
| Snowfall | 20.2 | 20 | 27.8 |
| Precipitation Days | 122.2 | 122.2 | 106.2 |
| Sunny | 196 | 194 | 205 |
| Avg. July High | 85.3 | 85.3 | 85.8 |
| Avg. Jan. Low | 21.2 | 21.2 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
| UV Index | 3.8 | 3.8 | 4.3 |
| Elevation ft. | 443 | 325 | 2443 |