Sanilac, MI has a temperate climate with four distinct seasons. Summers are generally warm and humid with temperatures reaching into the upper 80s. Winters are cold, but snowfall is light due to the moderating influence of Lake Huron. Spring and fall are pleasant times of year with mild temperatures and plenty of sunshine. Precipitation generally occurs throughout the year with an average annual rainfall of around 31 inches (787 mm).
Sanilac, Michigan gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sanilac averages 41 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 Sanilac. The US average is 205 sunny days.
Sanilac gets some kind of precipitation, on average, 118 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 79 degrees
Winter Low: the January low is 15
Rain: averages 33 inches of rain a year
Snow: averages 41 inches of snow a year