East Troy, WI, gets 33 inches of rain per year. The U.S. average is 37 inches. Snowfall is 36 inches in East Troy. The average U.S. city gets 25 inches of snow per year. The number of days with any measurable precipitation is 106.
On average, there are 190 sunny days per year in East Troy, WI. The July high is around 82 degrees. The January low is 10 degrees. Our comfort index, which is based on humidity during the hot months, is a 46 out of 100, where higher is more comfortable. The U.S. average on the comfort index is 44.
| Climate | East Troy, WI | United States |
| Rainfall (in.) | 33.2 | 36.5 |
| Snowfall (in.) | 35.5 | 25 |
| Precipitation Days | 106 | 100 |
| Sunny Days | 190 | 205 |
| Avg. July High | 82 | 86.5 |
| Avg. Jan. Low | 9.8 | 20.5 |
| Comfort Index (higher=better) | 46 | 44 |
| UV Index | 3.6 | 4.3 |
| Elevation ft. | 849 | 1,443 |
Source: www.bestplaces.net