Charlestown, MN has a humid continental climate with hot, humid summers and cold winters. Average temperatures in the summer months range from 60-80°F while winter temperatures are typically around 20-30°F. Precipitation is fairly evenly distributed throughout the year, with an average of 32 inches overall. Snowfall varies from season to season but usually averages between 40-50 inches annually. Although Charlestown does receive some snowfall, it tends to be milder in comparison to other areas due to its proximity to Lake Michigan.
Charlestown, Minnesota gets 29 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Charlestown averages 41 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 203 sunny days per year in Charlestown. The US average is 205 sunny days.
Charlestown gets some kind of precipitation, on average, 90 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 4
Rain: averages 29 inches of rain a year
Snow: averages 41 inches of snow a year