Big Sky, MT is known for its varied climate. The summers tend to be mild and relatively moist with temperatures ranging from the mid 70s to mid 80s Fahrenheit. Winters are cold, with temperatures dipping down into the teens and single digits at night. On average, Big Sky receives more than 200 inches of snow each winter making it a great destination for skiing and snow sports enthusiasts. Precipitation is fairly common throughout the year with rainfall occurring mostly in late spring through early fall. Spring and fall also tend to have mild temperatures ranging from the 40s to 50s Fahrenheit. No matter which season you visit Big Sky MT you can expect beautiful scenery and plenty of outdoor activities!
Big Sky, Montana gets 20 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Big Sky averages 46 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 187 sunny days per year in Big Sky. The US average is 205 sunny days.
Big Sky gets some kind of precipitation, on average, 124 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 8
Rain: averages 20 inches of rain a year
Snow: averages 46 inches of snow a year