Lewiston Metro Area, Idaho gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lewiston Metro Area averages 17 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Lewiston Metro Area. The US average is 205 sunny days.
Lewiston Metro Area gets some kind of precipitation, on average, 110 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 87 degrees
Winter Low: the January low is 27
Rain: averages 18 inches of rain a year
Snow: averages 17 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for the Lewiston metro area is 7.1 (10=best), which means it is more comfortable than most places in Idaho.
7.1 / 10
June, September and July are the most pleasant months in the Lewiston metro area, while December and January are the least comfortable months.