| Pontiac, IL | Tinley Park, IL | United States |
Rainfall | 36 | 40 | 38 |
Snowfall | 18 | 30 | 28 |
Precipitation | 100 | 123 | 106 |
Sunny | 189 | 186 | 205 |
Avg. July High | 84 | 84 | 86 |
Avg. Jan. Low | 16 | 17 | 22 |
Comfort Index (higher=better) | 7.1 | 6.9 | 7 |
UV Index | 3.6 | 3.6 | 4.3 |
Elevation | 643 | 699 | 2443 |