Sweet Grass, Montana gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sweet Grass averages 48 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 185 sunny days per year in Sweet Grass. The US average is 205 sunny days.
Sweet Grass gets some kind of precipitation, on average, 70 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.
Summer High: the July high is around 81 degrees
Winter Low: the January low is 9
Rain: averages 13 inches of rain a year
Snow: averages 48 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Sweet Grass is 6.7 (10=best), which means it is about average compared to other places in Montana.
6.7 / 10
July, August and June are the most pleasant months in Sweet Grass, while January and December are the least comfortable months.