Sun Valley, Idaho gets 14 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Sun Valley averages 102 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 205 sunny days per year in Sun Valley. The US average is 205 sunny days.
Sun Valley gets some kind of precipitation, on average, 78 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 8
Rain: averages 14 inches of rain a year
Snow: averages 102 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Sun Valley is 6.3 (10=best), which means it is less comfortable than most places in Idaho.
8.8 / 3.5
Summer / Winter
July, August and September are the most pleasant months in Sun Valley, while December and January are the least comfortable months.