Keystone, WI has a humid continental climate, with warm summers and cold winters. Average temperatures range from the mid-30's in winter to the mid-80's in summer, with average precipitation year-round. During the summer months, Keystone experiences frequent thunderstorms that can bring heavy rains and occasional hail. In the winter months, snowfall is common and temperatures regularly drop below freezing.
Keystone, Wisconsin gets 31 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Keystone averages 89 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 179 sunny days per year in Keystone. The US average is 205 sunny days.
Keystone gets some kind of precipitation, on average, 116 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 79 degrees
Winter Low: the January low is 3
Rain: averages 31 inches of rain a year
Snow: averages 89 inches of snow a year