St. Marie, MT has a relatively mild climate all year round. Summers are usually warm and humid with occasional thunderstorms and temperatures usually reaching into the low 80s during the day. Winters are generally cold, snowy, and windy with temperatures usually dropping to around zero degrees at night. The area receives an average of about 70 inches of snow annually, making St. Marie an ideal location for outdoor winter activities such as skiing and snowshoeing.
St. Marie, Montana gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Marie averages 33 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in St. Marie. The US average is 205 sunny days.
St. Marie gets some kind of precipitation, on average, 82 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 86 degrees
Winter Low: the January low is 5
Rain: averages 12 inches of rain a year
Snow: averages 33 inches of snow a year