Napoleon, MI has a moderate climate that experiences four distinct seasons. The summers are warm and humid with temperatures reaching into the high 80s and 90s while the winters are cold and snowy with temperatures dipping down to below freezing. Rainfall occurs throughout the year, providing enough moisture for all types of vegetation to thrive. The area's location near Lake Michigan makes it very windy, especially in the springtime. Winters and summers tend to be milder than surrounding areas due to the lake's influence but it can still get quite hot during the summer months.
Napoleon, Michigan gets 34 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Napoleon averages 37 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 177 sunny days per year in Napoleon. The US average is 205 sunny days.
Napoleon gets some kind of precipitation, on average, 123 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 34 inches of rain a year
Snow: averages 37 inches of snow a year