57461 Mellette, SD has a warm summer continental climate with hot and humid summers and cold snowy winters. Average temperatures range from 26°F to 85°F with average precipitation of 20 inches. The area experiences an average of 45 days with measurable precipitation each year. Summers bring the most humidity, while winters usually have light winds and low relative humidity levels. In addition, the area generally receives a few inches of snow in the winter months with occasional heavy snowfalls.
Mellette (zip 57461), South Dakota gets 22 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mellette (zip 57461) averages 30 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Mellette (zip 57461). The US average is 205 sunny days.
Mellette (zip 57461) gets some kind of precipitation, on average, 80 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 84 degrees
Winter Low: the January low is 2
Rain: averages 22 inches of rain a year
Snow: averages 30 inches of snow a year