| | Irwin, PA | Jeannette, PA | United States |
| Rainfall | 40.3 | 41.7 | 38.1 |
| Snowfall | 26.1 | 27 | 27.8 |
| Precipitation Days | 142 | 146.9 | 106.2 |
| Sunny | 163 | 161 | 205 |
| Avg. July High | 83.8 | 83.4 | 85.8 |
| Avg. Jan. Low | 20.4 | 20.1 | 21.7 |
| Comfort Index (higher=better) | 7 | 7 | 7 |
| UV Index | 3.5 | 3.5 | 4.3 |
| Elevation ft. | 968 | 1033 | 2443 |