| | Hermann, MO | Washington, MO | United States |
| Rainfall | 44.9 | 43.8 | 38.1 |
| Snowfall | 12.9 | 12.3 | 27.8 |
| Precipitation Days | 101.6 | 107.4 | 106.2 |
| Sunny | 194 | 204 | 205 |
| Avg. July High | 87.4 | 88.9 | 85.8 |
| Avg. Jan. Low | 19.2 | 21.7 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
| UV Index | 4.2 | 4.1 | 4.3 |
| Elevation ft. | 528 | 554 | 2443 |