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Phoenix Weather Guide
United States
Phoenix is the hottest major city in the United States, with summer temperatures regularly exceeding 110°F and over 100 days above 100°F annually. The city's Valley of the Sun location in the Sonoran Desert and massive urban heat island make nights especially extreme — often staying above 90°F. Monsoon season from July through September brings dramatic thunderstorms and haboobs.
Neighborhoods in Phoenix
Each neighborhood in Phoenix has its own microclimate. Check real-time conditions below: