Lewistown, Montana gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lewistown averages 72 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Lewistown. The US average is 205 sunny days.
Lewistown gets some kind of precipitation, on average, 103 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 14
Rain: averages 16 inches of rain a year
Snow: averages 72 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Lewistown is 6.5 (10=best), which means it is less comfortable than most places in Montana.
6.5 / 10
July, August and June are the most pleasant months in Lewistown, while December and January are the least comfortable months.