Plains, Montana gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Plains averages 39 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 154 sunny days per year in Plains. The US average is 205 sunny days.
Plains gets some kind of precipitation, on average, 130 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 86 degrees
Winter Low: the January low is 21
Rain: averages 19 inches of rain a year
Snow: averages 39 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Plains is 6.6 (10=best), which means it is about average compared to other places in Montana.
6.6 / 10
July, June and September are the most pleasant months in Plains, while December and January are the least comfortable months.