These satellites were used for espionage on the Soviet Union (USSR) and China during the Cold War. Many of these have since been removed, but one still exists at the corner of West Alsdorf Road and South Sunland Gin Road in the center of the community. Arizona City is located at (32.751641, −111.679283). According to the United States Census Bureau, the CDP has a total area of , of which, of it is land and of it (1.29%) is water. The CDP is approximately 1,509 feet (460 m) above sea level and located in an area of Pinal County known as the Santa Cruz Flats. According to the Arizona Geological Survey, the valley floor surrounding Arizona City and nearby Eloy has lowered by more than 20 feet (6 m) in the past 50 years due to rapid depletion of the groundwater aquifers underneath the region. In 2017, a new earth fissure approximately 1.8 miles (2.9 km) long and 30 feet (9.1 m) wide opened up just south of Arizona City, another consequence caused by the rapid consumption of groundwater. Arizona City itself is mostly flat, lying in the Santa Cruz Valley in the center of three low mountain ranges; the Sawtooth Mountains to the south, the Picacho Mountains to the east, and the Casa Grande Mountains to the north. Picacho Peak, a prominent peak with a summit elevation of 3,374 feet (1,028 m), is located approximately 20 miles (32 km) to the southeast adjacent to Interstate 10. Directly to the west of the CDP is the expansive Tohono O'odham Indian Reservation, which stretches 80 miles (129 km) south to the international border with Mexico. Arizona City has a hot desert climate (Köppen climate classification BWh), normal for the Sonoran Desert. The community experiences long, extremely hot summers and mild winters. The area averages only 10.54 inches (268 mm) of annual rainfall. Winter months are defined by frequent sunshine and consist of mild daytime highs between and 75 °F (24 °C). At nighttime, the temperature drops rapidly, with lows averaging between and 45 °F (4 °C). Nighttime lows at or below the freezing mark are not uncommon. During the winter, an occasional cold front will pass through the area sometimes containing a brief shower. The lowest temperature ever recorded in Arizona City was 13 °F (−11 °C).