temperature in the grand canyon in october
Weather in Grand Canyon in October. The average maximum daytime temperature in Grand Canyon in October is a warm 22Â°C (72Â°F). There are usually 9 hours of bright sunshine each day, which represents 82% of the 11 hours of daylight. Expect 23mm (0.9 inches) of rainfall across the whole of October with 4 days with some rain falling.