Waukesha County, Wisconsin enjoys a four-season climate that is characterized by warm summers and cold winters. The average high in the summer months is around 80°F, while winter temperatures generally range between 20-30°F. Precipitation amounts are generally moderate throughout the year, with occasional light snowfall in the winter and thunderstorms during the summer months. Waukesha County experiences changes in seasons throughout the year, making it a perfect destination for outdoor activities and exploration all year round.
Waukesha County, Wisconsin gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Waukesha County averages 43 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 190 sunny days per year in Waukesha County. The US average is 205 sunny days.
Waukesha County gets some kind of precipitation, on average, 121 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 82 degrees
Winter Low: the January low is 11
Rain: averages 35 inches of rain a year
Snow: averages 43 inches of snow a year