| | Aurora, IL | South Elgin, IL | United States |
| Rainfall | 38.2 | 37.5 | 38.1 |
| Snowfall | 28.2 | 32.6 | 27.8 |
| Precipitation Days | 119.6 | 120.4 | 106.2 |
| Sunny | 192 | 189 | 205 |
| Avg. July High | 83.8 | 85.1 | 85.8 |
| Avg. Jan. Low | 14.8 | 13.2 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.8 | 7 |
| UV Index | 3.5 | 3.5 | 4.3 |
| Elevation ft. | 679 | 709 | 2443 |