Delaware, SD has a humid continental climate which is characterized by four distinct seasons. Summers are warm and humid with occasional thunderstorms, while winters are cold and snowy. Spring and autumn tend to be mild, with sunny days and cool nights. The area receives an average of 33 inches of rain annually and an average of 57 inches of snowfall each year. The temperature typically varies from 15°F to 86°F throughout the year, although temperatures can reach much higher or lower extremes depending on weather conditions.
Delaware, South Dakota gets 27 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Delaware averages 32 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 208 sunny days per year in Delaware. The US average is 205 sunny days.
Delaware gets some kind of precipitation, on average, 87 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 7
Rain: averages 27 inches of rain a year
Snow: averages 32 inches of snow a year