| | St. Charles, MN | Stewartville, MN | United States |
| Rainfall | 34.2 | 34.2 | 38.1 |
| Snowfall | 46.3 | 49.1 | 27.8 |
| Precipitation Days | 113.7 | 112.1 | 106.2 |
| Sunny | 188 | 182 | 205 |
| Avg. July High | 82.3 | 81.3 | 85.8 |
| Avg. Jan. Low | 6.1 | 5.7 | 21.7 |
| Comfort Index (higher=better) | 6.5 | 6.4 | 7 |
| UV Index | 3.3 | 3.2 | 4.3 |
| Elevation ft. | 1129 | 1224 | 2443 |