Lewis and Clark County, Montana gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lewis and Clark County averages 52 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 186 sunny days per year in Lewis and Clark County. The US average is 205 sunny days.
Lewis and Clark County gets some kind of precipitation, on average, 88 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 82 degrees
Winter Low: the January low is 14
Rain: averages 14 inches of rain a year
Snow: averages 52 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Lewis and Clark County is 6.6 (10=best), which means it is about average compared to other places in Montana.
6.6 / 10
July, August and June are the most pleasant months in Lewis and Clark County, while December and January are the least comfortable months.