Ann Arbor, Michigan enjoys a temperate climate with four distinct seasons. During the summer months, temperatures average around 75 degrees Fahrenheit during the day and drop to the mid-50s at night. Winters are cold and snowy, with temperatures averaging between 25 and 35 degrees Fahrenheit. Spring is mild with generally pleasant weather, and autumn brings crisp air as well as vibrant foliage in late October. Ann Arbor receives an average of 32 inches of precipitation per year, mostly from snowfall in winter and spring rains in April and May.
Ann Arbor, Michigan gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ann Arbor averages 43 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 178 sunny days per year in Ann Arbor. The US average is 205 sunny days.
Ann Arbor gets some kind of precipitation, on average, 137 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.
Summer High: the July high is around 83 degrees
Winter Low: the January low is 17
Rain: averages 36 inches of rain a year
Snow: averages 43 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Ann Arbor is 6.7 (10=best), which means it is more comfortable than most places in Michigan.
9.2 / 4.2
Summer / Winter
August, July and June are the most pleasant months in Ann Arbor, while January and December are the least comfortable months.