weather averages in tucson az
Average Weather in Tucson Arizona, United States. Tucson has a hot desert climate. The temperature typically varies from 42Â°F to 102Â°F over the course of the year, and is rarely below 33Â°F or above 107Â°F. The hot season lasts for 115 days, from May 25 to September 17, with an average daily high temperature above 94Â°F.