| St. Charles, IL | Brookfield, IL | United States |
Rainfall | 38 | 39 | 38 |
Snowfall | 30 | 32 | 28 |
Precipitation | 120 | 121 | 106 |
Sunny | 189 | 191 | 205 |
Avg. July High | 85 | 84 | 86 |
Avg. Jan. Low | 15 | 18 | 22 |
Comfort Index (higher=better) | 6.9 | 7 | 7 |
UV Index | 3.5 | 3.6 | 4.3 |
Elevation | 732 | 623 | 2443 |