| | South Elgin, IL | St. Charles, IL | United States |
| Rainfall | 37.5 | 37.7 | 38.1 |
| Snowfall | 32.6 | 30.1 | 27.8 |
| Precipitation Days | 120.4 | 119.6 | 106.2 |
| Sunny | 189 | 189 | 205 |
| Avg. July High | 85.1 | 84.5 | 85.8 |
| Avg. Jan. Low | 13.2 | 14.7 | 21.7 |
| Comfort Index (higher=better) | 6.8 | 6.9 | 7 |
| UV Index | 3.5 | 3.5 | 4.3 |
| Elevation ft. | 709 | 732 | 2443 |