Alto, SD has a humid continental climate with hot summers and cold winters. Summers are usually sunny and warm, with average temperatures reaching into the mid-80s. Winters are generally cold, with temperatures often dropping below freezing. Snowfall is common during the winter months, especially in late December and early January. Precipitation is moderate throughout the year, with most of it occurring during the spring and summer months. Overall, Alto enjoys four distinct seasons with mild temperatures throughout the year.
Alto, South Dakota gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Alto averages 44 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Alto. The US average is 205 sunny days.
Alto gets some kind of precipitation, on average, 82 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 3
Rain: averages 24 inches of rain a year
Snow: averages 44 inches of snow a year