Weather can vary greatly between the canyon rim and canyon floor. Summer daytime temperatures range between 60 to 100F (15 to 38C), nights 30 to 50F (-1 to 10C) Winter daytime temperatures range between 20 to 40F (-6 to 4C), nights -10 to 20F (-23 to -6C) Precipitation is minimal, brief afternoon thunderstorms can occur during the summer. Layered clothing appropriate for the season is recommended.

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