| Matteson, IL | Merrillville, IN | United States |
Rainfall | 41 | 38 | 38 |
Snowfall | 28 | 33 | 28 |
Precipitation | 116 | 121 | 106 |
Sunny | 193 | 188 | 205 |
Avg. July High | 84 | 83 | 86 |
Avg. Jan. Low | 16 | 16 | 22 |
Comfort Index (higher=better) | 7 | 6.9 | 7 |
UV Index | 3.6 | 3.7 | 4.3 |
Elevation | 692 | 656 | 2443 |