St. Onge, SD experiences a humid continental climate with hot summers and cold winters. Summers in St. Onge can be quite warm with temperatures frequently reaching into the upper 80s and low 90s with high humidity levels. Winters are cold, usually with temperatures dropping below freezing point for prolonged periods of time and snowfall is common throughout winter months. Heavy storms such as thunderstorms and tornadoes can occur during summertime but are relatively rare in St. Onge, SD compared to other parts of the country.
St. Onge (zip 57779), South Dakota gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Onge (zip 57779) averages 34 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 226 sunny days per year in St. Onge (zip 57779). The US average is 205 sunny days.
St. Onge (zip 57779) gets some kind of precipitation, on average, 91 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 87 degrees
Winter Low: the January low is 16
Rain: averages 21 inches of rain a year
Snow: averages 34 inches of snow a year