| CLIMATE | Rockville | Indianapolis city | United States |
| Rainfall (in.) | 41.9 | 39.4 | 36.5 |
| Snowfall (in.) | 19.6 | 15.5 | 25 |
| Precipitation Days | 103 | 111 | 100 |
| Sunny Days | 186 | 186 | 205 |
| Avg. July High | 87 | 85 | 86.5 |
| Avg. Jan. Low | 19.7 | 18.4 | 20.5 |
| Comfort Index (higher=better) | 39 | 43 | 44 |
| UV Index | 3.8 | 3.7 | 4.3 |
| Elevation ft. | 699 | 743 | 1,443 |