Summit, AZ has a climate that is mostly dry and mild. The summer months are usually hot, with temperatures reaching into the upper 90s most days. During the winter months, temperatures can drop to below freezing at night, but still remain quite mild during the day. Rainfall is light throughout the year and there are very few snow days in Summit. Despite the dry climate, trees and vegetation flourish in Summit due to its high elevation and proximity to large bodies of water like Lake Powell and Grand Canyon National Park.
Summit, Arizona gets 12 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Summit averages 1 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 285 sunny days per year in Summit. The US average is 205 sunny days.
Summit gets some kind of precipitation, on average, 54 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 100 degrees
Winter Low: the January low is 39
Rain: averages 12 inches of rain a year
Snow: averages 1 inches of snow a year