Porcupine, SD has a continental climate with cold winters and hot summers. The average January temperature is around 8°F and the average July temperature is around 73°F. Rainfall throughout the year is fairly consistent, with an average of 23 inches per year. Snowfall in the winter months averages around 41 inches each year. These temperatures make Porcupine a great place for enjoying outdoor activities all year round.
Porcupine, South Dakota gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Porcupine averages 34 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 229 sunny days per year in Porcupine. The US average is 205 sunny days.
Porcupine gets some kind of precipitation, on average, 73 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 89 degrees
Winter Low: the January low is 12
Rain: averages 18 inches of rain a year
Snow: averages 34 inches of snow a year