How does the temperature vary between the rim and the floor of the Grand Canyon?

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Grand Canyon Mount Hayden as seen from Point Imperial, Grand Canyon National Park, northwestern Arizona, U.S.

The temperature in the Grand Canyon varies significantly between the rim and the floor due to elevation and climate differences. The North Rim, at approximately 8,200 feet (2,500 meters) above sea level, is about 1,200 feet (365 meters) higher than the South Rim. In contrast, the canyon floor can experience summer temperatures as high as 120 °F (49 °C) because it is over a mile below the rim and receives abundant sunlight with less moisture. The rims, with their higher elevations and more precipitation, support forests, while the canyon floor's vegetation is adapted to extreme heat and drought.1