Port Sanilac, MI has a humid continental climate with cold winters and warm summers. The average yearly temperature is around 46°F, with an average high in the summer of 77°F and an average low in the winter of 19°F. Average snowfall is around 34 inches per year, with rainfall averages at 32 inches per year. Winters can be quite windy, leading to lake effect snowstorms and larger snow amounts near the Great Lakes. Summers are usually mild and pleasant with temperatures reaching into the 80s during heat waves.
Port Sanilac, Michigan gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Port Sanilac averages 40 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 171 sunny days per year in Port Sanilac. The US average is 205 sunny days.
Port Sanilac gets some kind of precipitation, on average, 120 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 78 degrees
Winter Low: the January low is 15
Rain: averages 33 inches of rain a year
Snow: averages 40 inches of snow a year