83428 Irwin, ID has a mild climate, with warm summers and cool winters. Average summer temperatures reach into the mid-80s, while winter temperatures tend to remain in the 30s and 40s. Rainfall is fairly evenly distributed throughout the year but tends to be sparse overall. The area typically enjoys clear skies and plenty of sunshine year-round.
Irwin (zip 83428), Idaho gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Irwin (zip 83428) averages 72 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 204 sunny days per year in Irwin (zip 83428). The US average is 205 sunny days.
Irwin (zip 83428) gets some kind of precipitation, on average, 106 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.
Weather Highlights
Summer High: the July high is around 83 degrees
Winter Low: the January low is 13
Rain: averages 18 inches of rain a year
Snow: averages 72 inches of snow a year