Onalaska, WI has a humid continental climate with four distinct seasons. The summers in Onalaska are warm and humid, with temperatures averaging around 73°F in July and August. Winters are cold and snowy, with temperatures dipping to an average of about 20°F in January. Spring and fall are mild transitional seasons, with temperatures ranging from around 40-60°F during April and October. Precipitation is relatively evenly distributed throughout the year with an annual average of about 32 inches per year.
Onalaska, Wisconsin gets 34 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Onalaska averages 41 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 193 sunny days per year in Onalaska. The US average is 205 sunny days.
Onalaska gets some kind of precipitation, on average, 114 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 8
Rain: averages 34 inches of rain a year
Snow: averages 41 inches of snow a year