Chatham, MN has a humid continental climate with long cold winters and warm summers. The average temperature in summer is around 68°F (20°C) and the average winter temperature is about -7°F (-22°C). Snowfall averages around 40 inches (101 cm) per year and precipitation averages around 28 inches (71 cm). Chatham experiences all four seasons with mild to moderate temperatures year-round.
Chatham, Minnesota gets 30 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Chatham averages 43 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Chatham. The US average is 205 sunny days.
Chatham gets some kind of precipitation, on average, 92 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 3
Rain: averages 30 inches of rain a year
Snow: averages 43 inches of snow a year