Jefferson County, Wisconsin gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Jefferson County averages 40 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 186 sunny days per year in Jefferson County. The US average is 205 sunny days.
Jefferson County gets some kind of precipitation, on average, 119 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Summer High: the July high is around 83 degrees
Winter Low: the January low is 10
Rain: averages 36 inches of rain a year
Snow: averages 40 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Jefferson County is 6.7 (10=best), which means it is one of the most pleasant places in Wisconsin.
6.7 / 10
June, August and July are the most pleasant months in Jefferson County, while January and December are the least comfortable months.