| | Pella, IA | Mount Pleasant, IA | United States |
| Rainfall | 37.2 | 38.5 | 38.1 |
| Snowfall | 26.9 | 24.5 | 27.8 |
| Precipitation Days | 91.3 | 97.1 | 106.2 |
| Sunny | 203 | 203 | 205 |
| Avg. July High | 84.8 | 86.4 | 85.8 |
| Avg. Jan. Low | 11.8 | 15.5 | 21.7 |
| Comfort Index (higher=better) | 7 | 7.1 | 7 |
| UV Index | 4 | 3.7 | 4.3 |
| Elevation ft. | 886 | 718 | 2443 |