St. Johns, MI has a humid continental climate characterized by hot, humid summers and cold winters. Summers average around 85°F (29°C) with nights that can drop to 60°F (15°C). Winters are generally around 28°F (-2°C) with nights dropping to 0°F (-18°C). The area experiences four distinct seasons and receives an average of 39 inches (99 cm) of precipitation each year. Snowfall is common in the winter months, with an average accumulation of 25 inches (64 cm).
St. Johns, Michigan gets 33 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Johns averages 43 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 St. Johns. The US average is 205 sunny days.
St. Johns gets some kind of precipitation, on average, 129 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 82 degrees
Winter Low: the January low is 16
Rain: averages 33 inches of rain a year
Snow: averages 43 inches of snow a year