Decatur, MI is home to a temperate climate with warm summers and cold winters. The area experiences four distinct seasons of spring, summer, autumn, and winter. Summers generally range from mild to hot with temperatures typically reaching the upper 80s, while winters are often cold and snowy with temperatures usually reaching the mid 20s. During the spring months, temperature averages range from the low 40s to the mid 60s. In autumn, temperatures average in the mid 40s to low 50s. Rainfall is fairly consistent throughout the year with an average of about 3 inches per month. This makes Decatur a great place for outdoor activities all year round!
Decatur (zip 49045), Michigan gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Decatur (zip 49045) averages 81 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 173 sunny days per year in Decatur (zip 49045). The US average is 205 sunny days.
Decatur (zip 49045) 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