Rainbow, SD has a mild climate with temperatures ranging from warm summers to cold winters. The area typically experiences moderate to low amounts of precipitation throughout the year. During the summertime months, average highs reach into the mid-80s while lows rarely dip below 60°F. Winters can be harsh and temperatures average in the mid-20s during the day with nighttime lows often reaching single digits or lower. On average Rainbow receives around 18 inches of snowfall annually.
Rainbow, South Dakota gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rainbow averages 36 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 218 sunny days per year in Rainbow. The US average is 205 sunny days.
Rainbow gets some kind of precipitation, on average, 58 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 8
Rain: averages 17 inches of rain a year
Snow: averages 36 inches of snow a year