| | Dyersville, IA | Perry, IA | United States |
| Rainfall | 36.2 | 35.8 | 38.1 |
| Snowfall | 35.8 | 31.2 | 27.8 |
| Precipitation Days | 112.8 | 112.5 | 106.2 |
| Sunny | 188 | 203 | 205 |
| Avg. July High | 82.7 | 84.6 | 85.8 |
| Avg. Jan. Low | 9.3 | 10.3 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.9 | 7 |
| UV Index | 3.9 | 3.9 | 4.3 |
| Elevation ft. | 948 | 965 | 2443 |