| | Jefferson, WI | Fort Atkinson, WI | United States |
| Rainfall | 35.7 | 35.2 | 38.1 |
| Snowfall | 37.4 | 37.7 | 27.8 |
| Precipitation Days | 114.5 | 115.2 | 106.2 |
| Sunny | 185 | 189 | 205 |
| Avg. July High | 83 | 82.6 | 85.8 |
| Avg. Jan. Low | 10.4 | 10.5 | 21.7 |
| Comfort Index (higher=better) | 6.7 | 6.7 | 7 |
| UV Index | 3.2 | 3.2 | 4.3 |
| Elevation ft. | 801 | 787 | 2443 |