| St. Charles, MO | Maryville, IL | United States |
Rainfall | 42.2 | 43 | 38.1 |
Snowfall | 14.2 | 11.6 | 27.8 |
Precipitation Days | 105.9 | 98.6 | 106.2 |
Sunny | 202 | 205 | 205 |
Avg. July High | 88.3 | 88.8 | 85.8 |
Avg. Jan. Low | 21.3 | 22.4 | 21.7 |
Comfort Index (higher=better) | 7.2 | 7.2 | 7 |
UV Index | 4.4 | 4.1 | 4.3 |
Elevation ft. | 492 | 577 | 2443 |