Mattawan, MI enjoys a humid continental climate with four distinct seasons. Summer temperatures average in the mid-70s Fahrenheit and winter temperatures average in the mid-30s Fahrenheit. Springtime often brings forth thunderstorms that can span several days, while fall months tend to be quite dry and mild. The area receives an average of 40 inches of precipitation each year, with winter being the wettest season. Snowfall generally begins in November and ends in early April, though occasional snow showers will occur throughout the spring and summer months.
Mattawan, Michigan gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Mattawan averages 61 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 169 sunny days per year in Mattawan. The US average is 205 sunny days.
Mattawan gets some kind of precipitation, on average, 142 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 16
Rain: averages 38 inches of rain a year
Snow: averages 61 inches of snow a year