| | Zionsville, IN | Rosemont, IL | United States |
| Rainfall | 41.9 | 36.1 | 38.1 |
| Snowfall | 23.2 | 36 | 27.8 |
| Precipitation Days | 123.2 | 125.3 | 106.2 |
| Sunny | 187 | 192 | 205 |
| Avg. July High | 84.5 | 83.6 | 85.8 |
| Avg. Jan. Low | 19.6 | 16.9 | 21.7 |
| Comfort Index (higher=better) | 7.1 | 6.9 | 7 |
| UV Index | 3.7 | 3.6 | 4.3 |
| Elevation ft. | 843 | 636 | 2443 |