| | Merrillville, IN | Dyer, IN | United States |
| Rainfall | 38.4 | 38.9 | 38.1 |
| Snowfall | 32.5 | 28 | 27.8 |
| Precipitation Days | 121.1 | 118.7 | 106.2 |
| Sunny | 188 | 186 | 205 |
| Avg. July High | 82.8 | 83.6 | 85.8 |
| Avg. Jan. Low | 16.3 | 15.7 | 21.7 |
| Comfort Index (higher=better) | 6.9 | 6.9 | 7 |
| UV Index | 3.7 | 3.7 | 4.3 |
| Elevation ft. | 656 | 640 | 2443 |