Hartford, SD has a humid continental climate, with warm summers and cold winters. The average temperatures range from 47 degrees Fahrenheit in January to 79 degrees Fahrenheit in July. Precipitation levels are high throughout the year, averaging around 35 inches annually, with most of that falling between May and August. Winters are typically very cold, with temperatures occasionally dipping below 0 degrees Fahrenheit. Snowfall is fairly common during the winter months, with snow typically remaining on the ground from late November until mid-March.
Hartford, South Dakota gets 27 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hartford averages 39 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 209 sunny days per year in Hartford. The US average is 205 sunny days.
Hartford gets some kind of precipitation, on average, 89 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 84 degrees
Winter Low: the January low is 6
Rain: averages 27 inches of rain a year
Snow: averages 39 inches of snow a year