Ada County, Idaho gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ada County averages 16 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 210 sunny days per year in Ada County. The US average is 205 sunny days.
Ada County gets some kind of precipitation, on average, 86 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 92 degrees
Winter Low: the January low is 24
Rain: averages 13 inches of rain a year
Snow: averages 16 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Ada County is 7.2 (10=best), which means it is one of the most pleasant places in Idaho.
7.2 / 10
September, June and May are the most pleasant months in Ada County, while December and January are the least comfortable months.