St. Mary, MN has a humid continental climate with hot summers and cold winters with temperatures ranging from -20掳F to 85掳F. Precipitation is abundant throughout the year, with an average of 35 inches per year across all months. Winters are usually snowier, while summers can be quite hot and humid due to the proximity to the Great Lakes. The area experiences four distinct seasons, making it an ideal place for outdoor activities such as hiking, biking, and fishing.
St. Mary, Minnesota gets 34 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Mary averages 47 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 192 sunny days per year in St. Mary. The US average is 205 sunny days.
St. Mary gets some kind of precipitation, on average, 111 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 82 degrees
Winter Low: the January low is 4
Rain: averages 34 inches of rain a year
Snow: averages 47 inches of snow a year