Castle Rock, MN has a humid continental climate, with warm summers and cold winters. The average yearly temperature is around 36 degrees Fahrenheit, with temperatures ranging from 15 degrees Fahrenheit in the winter to 75 degrees Fahrenheit in the summer. Precipitation is fairly common throughout the year, averaging out to about 33 inches per year. Snowfall usually begins in October and typically lasts until April, although there have been times when snow lingers into May or June. Overall, Castle Rock has a mild climate with very pleasant summers and cold winters that require some preparation for outdoor activities.
Castle Rock, Minnesota gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Castle Rock averages 44 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Castle Rock. The US average is 205 sunny days.
Castle Rock gets some kind of precipitation, on average, 104 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 6
Rain: averages 33 inches of rain a year
Snow: averages 44 inches of snow a year