Lewis, WI has a humid continental climate with warm summers and cold winters. The average temperature in the summer is around 75 degrees Fahrenheit, while the average temperature in the winter is around 22 degrees Fahrenheit. The area receives an average of 40 inches of rain per year and about 55 inches of snow during the winter months. There are also frequent thunderstorms in summer, which can cause high winds and heavy rain.
Lewis, Wisconsin gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lewis averages 52 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 195 sunny days per year in Lewis. The US average is 205 sunny days.
Lewis gets some kind of precipitation, on average, 110 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 81 degrees
Winter Low: the January low is 2
Rain: averages 33 inches of rain a year
Snow: averages 52 inches of snow a year