Marathon, IA (50565) has a humid continental climate characterized by cold, snowy winters and hot, humid summers. The average annual temperature is around 44°F (7°C). In the winter months, temperatures can drop to an average of 18°F (-8°C) and during the summer months, they can reach an average of 72°F (22°C). Rainfall is spread throughout the year with highest levels in May and June. Snowfall occurs from October through April with the highest amounts usually occurring in January.
Marathon (zip 50565), Iowa gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Marathon (zip 50565) averages 34 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 210 sunny days per year in Marathon (zip 50565). The US average is 205 sunny days.
Marathon (zip 50565) gets some kind of precipitation, on average, 94 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 33 inches of rain a year
Snow: averages 34 inches of snow a year