Lewis County, Idaho gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lewis County averages 52 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 169 sunny days per year in Lewis County. The US average is 205 sunny days.
Lewis County gets some kind of precipitation, on average, 131 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 23
Rain: averages 23 inches of rain a year
Snow: averages 52 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Lewis County is 6.5 (10=best), which means it is less comfortable than most places in Idaho.
6.5 / 10
July, August and September are the most pleasant months in Lewis County, while December and January are the least comfortable months.