57466 Onaka, SD has a continental climate with hot, humid summers and cold winters. The temperatures in the summer can reach into the 90s with high humidity levels while winter brings a more moderate chill with temperatures reaching into the 20s. Precipitation is fairly evenly spread throughout the year with snowfall during the winter months. On average, the area receives around 28 inches of rain annually. Winters tend to be dryer than other seasons while summer storms are common during July and August.
Onaka (zip 57466), South Dakota gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Onaka (zip 57466) averages 37 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 203 sunny days per year in Onaka (zip 57466). The US average is 205 sunny days.
Onaka (zip 57466) gets some kind of precipitation, on average, 67 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 4
Rain: averages 21 inches of rain a year
Snow: averages 37 inches of snow a year