Average Sunshine for US Cities in October





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

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 October
% Sun City Total Hours Clear Days
66 Atlanta, Georgia 239 14
64 Austin, Texas 216 12
58 Baltimore, Maryland 206 12
66 Birmingham, Alabama 232 14
60 Boston, Massachusetts 206 11
50 Buffalo, New York 159 6
65 Charlotte, North Carolina 231 13
55 Chicago, Illinois 193 9
54 Cincinnati, Ohio 189 10
52 Cleveland, Ohio 170 8
56 Columbus, Ohio 183 10
63 Dallas, Texas 228 14
72 Denver, Colorado 249 13
51 Detroit, Michigan 176 8
57 Hartford, Connecticut 199 9
64 Houston, Texas 229 11
61 Indianapolis, Indiana 197 11
% Sun City Total Hours Clear Days
60 Jacksonville, Florida 215 10
60 Kansas City, Missouri 214 13
87 Las Vegas, Nevada 304 20
73 Los Angeles, California 13
61 Louisville, Kentucky 209 12
70 Memphis, Tennessee 246 14
70 Miami, Florida 260 7
54 Milwaukee, Wisconsin 178 9
55 Minneapolis, Minnesota 181 10
62 Nashville, Tennessee 217 13
64 New Orleans, Louisiana 243 14
61 New York, New York 211 12
70 Oklahoma City, Oklahoma 245 14
60 Philadelphia, Pennsylvania 205 11
88 Phoenix, Arizona 309 20
51 Pittsburgh, Pennsylvania 167 8
% Sun City Total Hours Clear Days
44 Portland, Oregon 152 5
61 Providence, Rhode Island 209 11
60 Raleigh, North Carolina 215 13
63 Richmond, Virginia 223 12
49 Rochester, New York 154 6
86 Sacramento, California 297 19
72 Salt Lake City, Utah 248 14
64 San Antonio, Texas 218 11
68 San Diego, California 243 14
70 San Francisco, California 16
43 Seattle, Washington 143 4
60 St. Louis, Missouri 208 12
66 Tampa, Florida 234 11
59 Virginia Beach, Virginia 208 12
59 Washington, DC 204 11
Reference

National Climatic Data Center. Comparative Climatic Data.

World Data Center for Meteorology. Climate of the World.

US City Sunshine
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