While a Visitor was on this page: https://grandcanyon.com/planning/south-rim-planning/
Visitor - Hi, I wanted to know if its a good idea to visit the grand canyon between 12-16 May? Will it be extremely hot?
Alley - Hi sorry for the wait... Average temps in May are 70's, maybe low '80's.
Alley - Here is the link to our Average Temperature and Current Weather for the Grand Canyon's South Rim:
Alley - For more info regarding the 4 Seasons and best time of the year to visit the Grand Canyon, simply watch the YouTube Video below.
Alley - Thank you for visiting GrandCanyon.com today.