| | Niles, IL | Brookfield, IL | United States |
| Rainfall | 36.1 | 38.9 | 38.1 |
| Snowfall | 36 | 31.7 | 27.8 |
| Precipitation Days | 125.3 | 120.6 | 106.2 |
| Sunny | 190 | 191 | 205 |
| Avg. July High | 83.6 | 83.8 | 85.8 |
| Avg. Jan. Low | 16.9 | 17.6 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 7 | 7 |
| UV Index | 3.6 | 3.6 | 4.3 |
| Elevation ft. | 636 | 623 | 2443 |