Grass Range, MT has a semi-arid climate with warm summers and cold winters. Rainfall is low throughout the year, with most of it occurring during the summer months. Winters in Grass Range can be especially cold, but the area rarely experiences significant snowfall or extreme winter temperatures. The spring and fall are mild, making them ideal times to visit the area for outdoor activities such as camping and hiking.
Grass Range, Montana gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grass Range averages 48 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 195 sunny days per year in Grass Range. The US average is 205 sunny days.
Grass Range gets some kind of precipitation, on average, 83 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 84 degrees
Winter Low: the January low is 14
Rain: averages 15 inches of rain a year
Snow: averages 48 inches of snow a year