Theresa, SD has a humid continental climate with hot and humid summers and cold and snowy winters. The average annual temperature is around 47°F, while in the summer months it typically reaches up to 77°F. Winters can be severe, with temperatures often dropping below 0°F. Precipitation is fairly evenly distributed throughout the year, averaging around 28 inches annually. Snowfall usually occurs between late October and early April.
Theresa, South Dakota gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Theresa averages 37 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 211 sunny days per year in Theresa. The US average is 205 sunny days.
Theresa 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 86 degrees
Winter Low: the January low is 6
Rain: averages 23 inches of rain a year
Snow: averages 37 inches of snow a year