| South Holland, IL | Matteson, IL | United States |
Rainfall | 39 | 41 | 38 |
Snowfall | 31 | 28 | 28 |
Precipitation | 124 | 116 | 106 |
Sunny | 190 | 193 | 205 |
Avg. July High | 84 | 84 | 86 |
Avg. Jan. Low | 18 | 16 | 22 |
Comfort Index (higher=better) | 7 | 7 | 7 |
UV Index | 3.6 | 3.6 | 4.3 |
Elevation | 600 | 692 | 2443 |