Fountain Hills Weather
Fountain Hills is at an elevation of 1,520 feet, about 500 feet higher than the official elevation of Phoenix. As such, the temperatures noted in Fountain Hills may be one or two degrees cooler than Phoenix readings, which are generally taken at Sky Harbor International Airport. Still, it is in the Sonoran Desert as is all of the Greater Phoenix area.
Typically the weather data for Fountain Hills is collected from Scottsdale Airport. In the hottest part of the summer, July, the average highs are about 106°F. Highest temperatures may reach 115°F or more.
In the coolest part of the winter, December and January, the average lows are about 42°F. At the low end, there may be snow in nearby mountains, and Fountain Hills will experience some frosty mornings at or below freezing.