Lanark, WI has a humid continental climate with warm summers and cold winters. The average summer high temperature is 75 degrees Fahrenheit while the average winter low temperature is 12°F. Average annual snowfall totals around 40 inches and average annual precipitation is about 33 inches. During the summer months, temperatures can reach up to 90°F during the day, while nights tend to remain in the mid-50s. Winters are usually cold with temperatures rarely going above freezing and often dipping below zero overnight.
Lanark, Wisconsin gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lanark averages 45 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 Lanark. The US average is 205 sunny days.
Lanark 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 81 degrees
Winter Low: the January low is 7
Rain: averages 33 inches of rain a year
Snow: averages 45 inches of snow a year