Quiz: What is the average temperature difference between the rim a April 25, 2025 by Orin Thorne What is the average temperature difference between the rim and the canyon floor? Discover more about Grand Canyon Tours at our home page. A) 20-30 degrees Fahrenheit B) 5-10 degrees Fahrenheit C) 15-20 degrees Fahrenheit D) 30-40 degrees Fahrenheit Submit Answer