Decatur, MI has a climate that is typical of the Midwest region of the United States. The summers are hot and humid, with temperatures often reaching into the 80’s and 90’s. Winters are cold with temperatures dropping into the single digits and negative numbers, although there are days when it can reach into the 40’s during the winter months. The area typically experiences occasional snowfall in winter months as well as rain throughout much of the year. Decatur experiences four distinct seasons which adds to its charm and appeal.
Decatur, Michigan gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Decatur averages 81 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 166 sunny days per year in Decatur. The US average is 205 sunny days.
Decatur gets some kind of precipitation, on average, 135 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 83 degrees
Winter Low: the January low is 17
Rain: averages 39 inches of rain a year
Snow: averages 81 inches of snow a year