| | Bridgeton, MO | Wentzville, MO | United States |
| Rainfall | 41.7 | 42.5 | 38.1 |
| Snowfall | 12.6 | 13.4 | 27.8 |
| Precipitation Days | 103.5 | 109.6 | 106.2 |
| Sunny | 199 | 205 | 205 |
| Avg. July High | 88.5 | 88.1 | 85.8 |
| Avg. Jan. Low | 22.3 | 20.8 | 21.7 |
| Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
| UV Index | 4.3 | 4.4 | 4.3 |
| Elevation ft. | 584 | 623 | 2443 |