Harrison, Idaho gets 27 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Harrison averages 42 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 173 sunny days per year in Harrison. The US average is 205 sunny days.
Harrison gets some kind of precipitation, on average, 115 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 24
Rain: averages 27 inches of rain a year
Snow: averages 42 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Harrison is 6.7 (10=best), which means it is more comfortable than most places in Idaho.
6.7 / 10
July, August and September are the most pleasant months in Harrison, while December and January are the least comfortable months.