Average Annual Sunshine in American Cities

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The tables below pull together figures on the amount of sunshine each of the largest cities in the United States usually has in a year.

The % Sun number measures the percentage of time between sunrise and sunset that sunshine reaches the ground. Total Hours is the average number of sunny hours the city normally has in a year. Clear Days is the average number of days annually when cloud covers at most 30 percent of the sky during daylight hours.

Hours of sunshine are the means calculated for 1961 to 1990. The other data are averages taken from years of weather watching.

Average annual sunshine
% Sun City Total Hours Clear Days
60 Atlanta, Georgia 2738 110
60 Austin, Texas 2644 115
57 Baltimore, Maryland 2582 105
58 Birmingham, Alabama 2641   99
58 Boston, Massachusetts 2634   98
48 Buffalo, New York 2207   54
62 Charlotte, North Carolina 2821 109
54 Chicago, Illinois 2508   84
50 Cincinnati, Ohio 2335   81
49 Cleveland, Ohio 2280   66
50 Columbus, Ohio 2183   72
61 Dallas, Texas 2850 135
69 Denver, Colorado 3107 115
53 Detroit, Michigan 2436   75
56 Hartford, Connecticut 2585   82
59 Houston, Texas 2578   90
55 Indianapolis, Indiana 2440   88
63 Jacksonville, Florida 2880   94
60 Kansas City, Missouri 2810 120
85 Las Vegas, Nevada 3825 210
73 Los Angeles, California 147
56 Louisville, Kentucky 2514   93
64 Memphis, Tennessee 2888 118
70 Miami, Florida 3154   74
54 Milwaukee, Wisconsin 2484   90
58 Minneapolis, Minnesota 2711   95


% Sun City Total Hours Clear Days
56 Nashville, Tennessee 2510 102
57 New Orleans, Louisiana 2649 101
58 New York, New York 2535 107
68 Oklahoma City, Oklahoma 3089 139
56 Philadelphia, Pennsylvania 2498   93
85 Phoenix, Arizona 3872 211
45 Pittsburgh, Pennsylvania 2021   59
48 Portland, Oregon 2341   68
58 Providence, Rhode Island 2606   98
58 Raleigh, North Carolina 2606 111
63 Richmond, Virginia 2829 100
51 Rochester, New York 2298   61
78 Sacramento, California 3608 188
66 Salt Lake City, Utah 3029 125
60 San Antonio, Texas 2629 105
68 San Diego, California 3055 146
66 San Francisco, California 160
47 Seattle, Washington 2170   58
57 St. Louis, Missouri 2594 101
66 Tampa, Florida 2927 101
60 Virginia Beach, Virginia 2695 106
56 Washington, DC 2528   96
Reference

National Climatic Data Center. Comparative Climatic Data.

World Data Center for Meteorology. Climate of the World.

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