Plainfield, SD has a climate that can be described as continental with cold winters and mild summers. The average temperature in the winter months is around 20 degrees Fahrenheit, while the average temperature in the summer months is around 70 degrees Fahrenheit. Precipitation is generally light throughout the year, but increases during summer months with an average of 3-4 inches per month. Snowfall in the winter months varies between 10-15 inches each year.
Plainfield, South Dakota gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Plainfield averages 41 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 213 sunny days per year in Plainfield. The US average is 205 sunny days.
Plainfield gets some kind of precipitation, on average, 85 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 87 degrees
Winter Low: the January low is 9
Rain: averages 23 inches of rain a year
Snow: averages 41 inches of snow a year