The climate in 57645 Morristown, SD is characterized by hot summers and cold winters. During the summer months, temperatures can reach up to 90°F on average, with the highest temperature ever recorded being 101°F in July of 1934. During the winter months, temperatures can dip down to an average of 7°F with the lowest recorded temperature being -38°F in December of 1916. Precipitation is spread fairly evenly throughout the year, with an average of 23 inches each year.
Morristown (zip 57645), South Dakota gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Morristown (zip 57645) averages 46 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Morristown (zip 57645). The US average is 205 sunny days.
Morristown (zip 57645) gets some kind of precipitation, on average, 72 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 85 degrees
Winter Low: the January low is 6
Rain: averages 17 inches of rain a year
Snow: averages 46 inches of snow a year