Best Roofing Material for Phoenix, AZ's Climate

What this means for your roof in Phoenix: two real climate factors actually wear down roofing materials — sustained heat/UV exposure (cooling degree-days and days over 90°F) and freeze-thaw cycling (days at or below freezing, which crack and stress materials as ice repeatedly forms and melts in seams and fasteners). Phoenix is heat-dominant — 171 days a year over 90°F — with minimal freeze-thaw cycling (0 days at or below freezing). That favors materials with strong heat/UV performance: metal roofing reflects solar heat and can meaningfully cut attic temperatures, and clay or concrete tile is a traditional choice in hot, arid climates specifically because it handles sustained heat well. Standard asphalt shingles are still viable but tend to degrade faster under this much continuous UV and heat exposure than in a milder climate.

Climate data: NOAA National Centers for Environmental Information, 1991-2020 U.S. Climate Normals, station GHCND:USW00093140. These are real regional climate factors that affect material lifespan generally — a licensed local roofer can advise on the specific product and warranty terms that best fit your roof's pitch, structure, and budget.