Average Sunshine for US Cities in December





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

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 this month. Clear Days is the average number of days this month 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 sunshine in December
% Sun City Total Hours Clear Days
50 Atlanta, Georgia 164 9
49 Austin, Texas 154 10
49 Baltimore, Maryland 145 8
46 Birmingham, Alabama 154 8
52 Boston, Massachusetts 142 9
27 Buffalo, New York 69 1
55 Charlotte, North Carolina 169 10
43 Chicago, Illinois 106 6
31 Cincinnati, Ohio 99 5
26 Cleveland, Ohio 68 3
31 Columbus, Ohio 84 4
52 Dallas, Texas 173 11
67 Denver, Colorado 196 11
31 Detroit, Michigan 88 3
47 Hartford, Connecticut 140 7
51 Houston, Texas 149 7
38 Indianapolis, Indiana 102 5
% Sun City Total Hours Clear Days
54 Jacksonville, Florida 184 9
49 Kansas City, Missouri 147 10
78 Las Vegas, Nevada 236 15
71 Los Angeles, California 13
40 Louisville, Kentucky 118 6
50 Memphis, Tennessee 152 9
63 Miami, Florida 216 9
38 Milwaukee, Wisconsin 105 6
42 Minneapolis, Minnesota 114 6
42 Nashville, Tennessee 131 7
48 New Orleans, Louisiana 158 8
49 New York, New York 139 9
58 Oklahoma City, Oklahoma 181 12
49 Philadelphia, Pennsylvania 138 7
77 Phoenix, Arizona 245 15
28 Pittsburgh, Pennsylvania 74 3
% Sun City Total Hours Clear Days
23 Portland, Oregon 64 2
52 Providence, Rhode Island 149 8
53 Raleigh, North Carolina 158 10
54 Richmond, Virginia 163 9
30 Rochester, New York 78 2
49 Sacramento, California 141 8
42 Salt Lake City, Utah 113 6
48 San Antonio, Texas 150 10
73 San Diego, California 231 14
53 San Francisco, California 9
23 Seattle, Washington 53 2
43 St. Louis, Missouri 130 7
61 Tampa, Florida 192 10
54 Virginia Beach, Virginia 160 9
46 Washington, DC 133 8
Reference

National Climatic Data Center. Comparative Climatic Data.

World Data Center for Meteorology. Climate of the World.

US City Sunshine
Back to Top