10 sunniest cities in the US -Flagstaff, Arizona • Earth.com

Last update: January 20th, 2020 at 4:52 pm

Flagstaff, Arizona

Flagstaff has 266 days a year with sunny skies and an average of 78 percent sunshine. At an elevation of 7,000 feet, the city is located on a mountain surrounded by volcanoes.

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