Gary, SD has a humid continental climate with cold winters and warm summers. The average January low temperature is -7°F (-22°C), while the average July high temperature is 81°F (27°C). The region receives an annual precipitation rate of around 22 inches (558mm). Snowfall is common in the winter months, with an average total of 21 inches annually.
Gary (zip 57237), South Dakota gets 27 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Gary (zip 57237) averages 44 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 Gary (zip 57237). The US average is 205 sunny days.
Gary (zip 57237) gets some kind of precipitation, on average, 86 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 82 degrees
Winter Low: the January low is 4
Rain: averages 27 inches of rain a year
Snow: averages 44 inches of snow a year