Custer County, Idaho gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Custer County averages 60 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 Custer County. The US average is 205 sunny days.
Custer County gets some kind of precipitation, on average, 63 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 4
Rain: averages 12 inches of rain a year
Snow: averages 60 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Custer County is 6.3 (10=best), which means it is less comfortable than most places in Idaho.
6.3 / 10
August, July and June are the most pleasant months in Custer County, while December and January are the least comfortable months.