| | Knoxville, IA | Winterset, IA | United States |
| Rainfall | 36.6 | 35.6 | 38.1 |
| Snowfall | 27.9 | 29.3 | 27.8 |
| Precipitation Days | 93.1 | 90.6 | 106.2 |
| Sunny | 204 | 204 | 205 |
| Avg. July High | 84.8 | 84.8 | 85.8 |
| Avg. Jan. Low | 12.4 | 12 | 21.7 |
| Comfort Index (higher=better) | 7 | 7.1 | 7 |
| UV Index | 4 | 3.8 | 4.3 |
| Elevation ft. | 909 | 1083 | 2443 |