| | Roscoe, IL | Gurnee, IL | United States |
| Rainfall | 36.7 | 35.8 | 38.1 |
| Snowfall | 34.2 | 43.2 | 27.8 |
| Precipitation Days | 113.4 | 115.8 | 106.2 |
| Sunny | 188 | 190 | 205 |
| Avg. July High | 82.9 | 81.4 | 85.8 |
| Avg. Jan. Low | 11.3 | 15.1 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.8 | 7 |
| UV Index | 3.5 | 3.7 | 4.3 |
| Elevation ft. | 738 | 676 | 2443 |