| | Sumner, IA | Oelwein, IA | United States |
| Rainfall | 36.3 | 36.8 | 38.1 |
| Snowfall | 35.5 | 34.6 | 27.8 |
| Precipitation Days | 102.7 | 108 | 106.2 |
| Sunny | 188 | 192 | 205 |
| Avg. July High | 82.4 | 82.4 | 85.8 |
| Avg. Jan. Low | 7 | 6.6 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.7 | 7 |
| UV Index | 3.7 | 4 | 4.3 |
| Elevation ft. | 1060 | 1040 | 2443 |