56137 Heron Lake, MN has a humid continental climate with long, cold winters and short, warm summers. Average summer temperatures hover around 70 degrees Fahrenheit while winter temperatures average around 20 degrees Fahrenheit. Rainfall is abundant throughout the year, averaging 31 inches annually. Snowfall is also common in this area, particularly during the winter months. The humidity can be quite high during the summer months as well. Overall, 56137 Heron Lake has a cool to mild climate year-round and is generally pleasant for most of the year.
Heron Lake (zip 56137), Minnesota gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Heron Lake (zip 56137) averages 40 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 208 sunny days per year in Heron Lake (zip 56137). The US average is 205 sunny days.
Heron Lake (zip 56137) gets some kind of precipitation, on average, 103 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 5
Rain: averages 30 inches of rain a year
Snow: averages 40 inches of snow a year