Average Sunshine for US Cities in August





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

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 August
% Sun City Total Hours Clear Days
64 Atlanta, Georgia 259 7
74 Austin, Texas 298 12
62 Baltimore, Maryland 264 9
63 Birmingham, Alabama 261 7
65 Boston, Massachusetts 277 9
64 Buffalo, New York 266 7
65 Charlotte, North Carolina 273 7
62 Chicago, Illinois 283 9
61 Cincinnati, Ohio 262 8
63 Cleveland, Ohio 262 9
60 Columbus, Ohio 236 7
73 Dallas, Texas 305 15
71 Denver, Colorado 306 10
67 Detroit, Michigan 284 9
62 Hartford, Connecticut 270 7
68 Houston, Texas 271 6
68 Indianapolis, Indiana 274 9
% Sun City Total Hours Clear Days
64 Jacksonville, Florida 262 5
67 Kansas City, Missouri 294 12
88 Las Vegas, Nevada 369 22
83 Los Angeles, California 14
66 Louisville, Kentucky 273 10
75 Memphis, Tennessee 307 12
71 Miami, Florida 288 2
66 Milwaukee, Wisconsin 281 10
69 Minneapolis, Minnesota 307 10
63 Nashville, Tennessee 262 10
61 New Orleans, Louisiana 252 7
64 New York, New York 268 9
79 Oklahoma City, Oklahoma 329 14
62 Philadelphia, Pennsylvania 260 8
85 Phoenix, Arizona 361 18
56 Pittsburgh, Pennsylvania 228 7
% Sun City Total Hours Clear Days
66 Portland, Oregon 298 11
62 Providence, Rhode Island 263 8
58 Raleigh, North Carolina 240 7
66 Richmond, Virginia 279 7
66 Rochester, New York 273 8
96 Sacramento, California 407 26
82 Salt Lake City, Utah 353 16
74 San Antonio, Texas 294 10
70 San Diego, California 295 15
65 San Francisco, California 19
65 Seattle, Washington 281 9
65 St. Louis, Missouri 270 10
62 Tampa, Florida 250 3
62 Virginia Beach, Virginia 260 8
62 Washington, DC 263 9
Reference

National Climatic Data Center. Comparative Climatic Data.

World Data Center for Meteorology. Climate of the World.

US City Sunshine
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