The climate in Ashton, ID is generally mild, with average temperatures ranging from the low 20s in the winter to mid-80s in the summer. Rainfall averages around 11 inches per year and snowfall is minimal. Summers are warm and dry with occasional afternoon thunderstorms. Winters tend to be cold but rarely snowy. Due to its location in Eastern Idaho close to the Grand Teton Mountains, Ashton experiences an extended growing season with relatively little freezing of crops.
Ashton, Idaho gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ashton averages 71 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Ashton. The US average is 205 sunny days.
Ashton gets some kind of precipitation, on average, 94 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 11
Rain: averages 16 inches of rain a year
Snow: averages 71 inches of snow a year