Sumner (Jefferson County), WI has a temperate climate with four distinct seasons. Summers are typically warm and humid, with temperatures reaching into the mid to upper 80s during the day and lower 60s at night. Winters tend to be cold but mild, with lows dipping into the teens and highs in the low 30s during the day. Spring and fall tend to have temperatures in the mid-50s during the day, and 40s at night. Precipitation is generally evenly distributed throughout the year, with an average of 39 inches per year.
Sumner town (Jefferson County), Wisconsin gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sumner town (Jefferson County) averages 37 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 Sumner town (Jefferson County). The US average is 205 sunny days.
Sumner town (Jefferson County) gets some kind of precipitation, on average, 115 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.
Weather Highlights
Summer High: the July high is around 83 degrees
Winter Low: the January low is 10
Rain: averages 35 inches of rain a year
Snow: averages 37 inches of snow a year