Trenton, South Dakota is in the northern Great Plains region, which means it has a semi-arid climate. The area experiences cold winters with below freezing temperatures and occasional snowfall. Summers are warm and humid with temperatures ranging between 70 and 90 degrees Fahrenheit. Precipitation consists mainly of rainfall, but there can be occasional snowfall as well. The area also experiences strong winds throughout the year, which can make outdoor activities more challenging at times.
Trenton, South Dakota gets 26 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Trenton averages 34 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 208 sunny days per year in Trenton. The US average is 205 sunny days.
Trenton 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 82 degrees
Winter Low: the January low is 4
Rain: averages 26 inches of rain a year
Snow: averages 34 inches of snow a year