Marathon County has a warm-summer humid continental climate, characterized by hot, humid summers and cold, snowy winters. The average annual temperature in Marathon County is 44°F (7°C). During the summer months, temperatures can reach up to 85°F (29°C), while during the winter lows can dip down to -7°F (-22°C). Average annual precipitation in Marathon County is around 29 inches (74 cm), most of which occurs during the spring and summer months.
Marathon County, Wisconsin gets 32 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Marathon County averages 54 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 188 sunny days per year in Marathon County. The US average is 205 sunny days.
Marathon County gets some kind of precipitation, on average, 122 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 80 degrees
Winter Low: the January low is 4
Rain: averages 32 inches of rain a year
Snow: averages 54 inches of snow a year