Which u. s. city has the highest average numbers of sunny days per year

researchers confirm it that there are two major cities in United States with the most sun year round, and they are Phoenix and Las Vegas. Both cities are sunny for 85 percent of the time between sunrise and sunset, calculating to over 3800 hours a year

Explanation: Average annual sunshine in the sunniest major US cities.

City                             % SunshineHours of Sun    Clear Days

Phoenix, Arizona               85                3872                211

Las Vegas, Nevada       85                3825                210

Sacramento, California      78                3608                188

Los Angeles, California      73     –          147

Miami, Florida                70                 3154                 74

Denver, Colorado                69                 3107                 115

Oklahoma City, Oklahoma68                 3089                 139

San Diego, California         68                 3055                 146

Salt Lake City, Utah         66                 3029                 125

San Francisco, California66      –           160

Tampa, Florida                 66                  2927                 101

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