Cloudiness for Selected Cities in the Southeast

Divider

This table shows the mean number of days per category of cloudiness. The categories are determined for daylight hours only. Clear (CL) denotes zero to 3/10 average sky cover. Partly cloudy (PC) denotes 4/10 to 7/10 average sky cover. Cloudy (CD) denotes 8/10 to 10/10 average sky cover. Data updated through 2012:

Alabama | Florida | Georgia | North Carolina
South Carolina | Virginia | Puerto Rico

Alabama YRS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Annual
    CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD
BIRMINGHAM AP, AL 37 7 6 18 7 6 15 7 8 16 9 8 13 8 11 12 7 13 10 5 14 12 7 15 10 9 9 11 14 8 9 10 7 13 8 7 16 99 111 155
HUNTSVILLE, AL 27 7 6 18 7 6 16 7 8 17 9 7 14 8 10 14 8 11 11 7 13 11 9 13 10 9 9 12 12 7 12 9 7 14 8 6 18 100 101 164
MOBILE, AL 47 8 6 17 8 7 14 9 8 14 9 9 12 9 11 11 7 14 9 4 15 12 6 15 10 9 10 11 14 8 9 11 7 12 9 6 16 102 116 147
MONTGOMERY, AL 51 7 6 17 8 6 14 8 8 15 10 8 12 9 10 12 8 12 10 6 14 11 8 14 9 10 9 11 14 7 10 11 6 13 9 6 16 107 107 151
   
Florida YRS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Annual
    CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD
APALACHICOLA, FL 62 10 8 5 10 7 12 11 8 12 12 9 9 13 10 8 9 13 8 6 13 11 7 13 11 10 10 10 16 7 7 13 8 9 10 8 13 128 113 116
DAYTONA BEACH, FL 52 9 9 13 9 8 12 10 10 12 11 11 9 10 11 10 6 13 12 5 14 12 5 15 11 5 13 12 9 10 11 10 10 10 9 9 13 97 132 136
FORT MYERS, FL 54 11 12 9 10 11 7 11 12 8 11 13 6 10 15 6 5 16 10 2 18 11 2 19 10 4 16 11 11 13 8 11 12 7 11 12 8 98 168 99
JACKSONVILLE, FL 47 9 8 14 9 7 12 9 9 13 10 10 9 9 12 10 5 13 12 5 14 12 5 15 11 5 12 13 10 9 12 10 9 11 9 8 14 94 127 144
KEY WEST, FL 43 11 11 9 12 10 7 13 11 6 13 11 6 10 13 8 5 14 11 3 16 11 3 17 11 3 15 12 9 13 9 10 11 8 11 11 9 104 155 107
MIAMI, FL 46 9 13 9 8 12 8 9 14 8 8 15 7 6 15 9 3 14 13 3 17 11 2 18 11 2 15 12 7 14 10 8 14 9 9 13 9 74 175 115
ORLANDO, FL 47 9 10 12 9 9 11 9 10 12 10 11 9 9 14 9 4 14 12 3 17 11 3 17 11 4 15 12 9 11 11 10 10 10 10 9 12 89 147 130
PENSACOLA, FL 29 8 7 16 9 7 13 9 8 14 10 9 11 9 11 11 7 15 8 4 17 10 6 15 10 10 11 9 13 9 9 11 8 11 9 7 16 105 123 137
TALLAHASSEE, FL 34 8 7 15 8 7 13 9 9 13 11 10 9 9 13 10 6 14 10 4 17 10 5 16 10 8 12 10 13 8 10 11 8 11 9 8 14 102 129 134
TAMPA, FL 49 10 10 12 9 9 10 11 10 10 11 11 8 11 13 8 6 14 10 3 16 12 3 17 11 5 14 11 11 10 9 12 10 9 10 10 11 101 143 121
WEST PALM BEACH, FL 48 8 11 12 8 11 10 8 13 10 9 13 8 8 14 10 4 13 13 4 14 13 3 16 12 3 14 13 6 14 11 7 13 10 9 12 10 75 159 131
WEST PALM BEACH, FL 1 1 6 6 8 3 2 7 6 4 9 13 8 5 6 8 6 8 9 4 14 13 3 16 12 3 14 13 6 14 11 7 13 10 2 3 10 30 32 29
   
Georgia YRS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Annual
    CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD
ATHENS, GA 52 9 7 15 9 6 13 9 7 14 10 8 11 9 10 12 8 12 10 7 13 11 8 13 10 10 9 11 14 7 10 12 6 12 10 6 15 113 105 147
ATLANTA, GA 61 8 6 16 8 6 14 9 8 15 10 8 12 9 11 11 8 12 10 6 13 12 7 13 10 10 10 10 14 7 10 12 6 12 9 6 15 110 107 149
AUGUSTA, GA 44 9 6 16 9 6 13 9 8 14 11 8 11 8 11 12 8 11 11 6 13 12 7 14 10 9 9 11 14 7 10 12 6 12 10 6 15 112 106 147
COLUMBUS, GA 49 8 6 17 8 6 14 9 7 15 10 9 11 9 10 12 8 12 10 5 13 12 8 14 10 10 9 11 14 7 10 12 6 12 9 6 16 110 104 151
MACON, GA 46 8 7 16 8 7 13 9 8 14 11 8 11 9 11 11 8 11 11 6 13 12 8 12 10 9 10 11 14 7 10 12 6 12 9 7 15 112 107 147
SAVANNAH, GA 45 9 6 16 8 6 14 9 9 13 11 9 11 9 10 12 7 11 12 6 14 12 6 14 12 7 10 13 12 8 11 11 7 12 9 7 15 104 110 152
   
North Carolina YRS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Annual
    CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD
ASHEVILLE, NC 31 9 7 15 9 6 13 9 8 14 10 8 12 7 10 13 6 12 12 5 14 12 5 13 13 7 11 13 12 8 11 11 7 12 10 7 14 99 113 153
CAPE HATTERAS, NC 38 9 7 16 9 5 14 10 7 14 10 9 11 9 10 13 7 10 12 7 10 14 8 10 13 10 9 11 11 8 12 10 8 12 10 7 14 109 101 156
CHARLOTTE, NC 49 9 6 16 8 6 14 9 8 14 10 9 12 8 10 13 7 11 12 7 12 12 7 13 11 9 9 11 13 8 10 11 6 12 10 6 15 109 105 152
GREENSBORO-WNSTN-SALM-HGHPT, NC 67 9 7 15 9 6 13 9 8 14 10 8 12 8 11 12 7 12 11 7 13 12 7 12 11 10 9 12 13 7 10 11 7 12 10 6 15 109 107 150
RALEIGH, NC 47 9 7 15 9 6 14 9 7 14 10 9 11 8 10 13 8 12 11 7 12 12 7 12 11 10 9 11 13 7 11 11 7 11 10 7 14 111 106 149
WILMINGTON, NC 44 10 6 15 9 6 13 10 8 14 11 8 11 8 11 12 7 11 12 6 12 13 7 12 12 8 10 12 12 7 11 12 7 11 10 7 14 111 104 150
   
South Carolina YRS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Annual
    CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD
CHARLESTON AP, SC 47 9 6 16 9 6 13 9 8 14 11 8 11 8 11 12 6 11 13 5 12 13 6 13 13 7 10 13 11 8 11 12 7 12 9 7 14 102 109 155
COLUMBIA, SC 48 9 6 16 9 6 13 9 8 14 11 8 11 9 10 11 8 11 11 7 13 12 8 12 11 10 9 12 13 7 11 12 6 12 10 6 15 115 103 147
GREENVILLE-SPARTANBURG AP, SC 33 10 6 15 10 5 13 10 8 13 11 8 11 8 10 13 8 11 11 7 13 11 8 12 11 10 9 11 14 7 10 12 6 12 11 6 14 121 100 145
   
Virginia YRS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Annual
    CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD
LYNCHBURG, VA 49 9 7 15 8 7 13 9 9 13 9 9 12 8 10 13 8 12 10 8 12 11 9 11 11 10 9 11 13 7 11 10 7 13 10 7 14 112 107 147
NORFOLK, VA 47 9 7 16 8 6 14 9 8 15 9 9 12 8 10 13 7 12 11 7 12 12 8 12 11 9 9 11 12 7 12 10 8 12 9 7 15 106 107 153
RICHMOND, VA 50 8 7 16 8 6 14 8 8 15 8 9 13 7 10 14 7 12 12 7 12 12 7 12 12 9 9 12 12 7 12 9 8 13 9 6 15 100 106 160
ROANOKE, VA 48 8 8 15 8 7 14 8 8 14 9 9 13 7 11 13 7 12 11 7 13 11 8 12 11 10 9 12 13 7 11 9 8 13 9 8 14 102 112 151
WASHINGTON DULLES AP, D.C. 33 7 7 17 7 6 15 7 8 16 7 9 14 7 10 14 6 12 12 8 11 12 8 11 12 9 9 12 11 8 12 7 8 15 7 7 17 92 105 168
WASHINGTON NAT'L AP, D.C. 48 7 7 16 7 7 15 7 8 15 7 9 14 7 10 14 7 11 11 7 12 12 9 10 12 10 8 12 11 8 12 8 8 14 8 7 16 96 106 164
   
Puerto Rico YRS JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC Annual
    CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD CL PC CD
SAN JUAN, PR 40 9 18 4 7 16 4 9 17 4 7 17 6 4 16 12 4 16 10 5 17 9 5 17 8 4 17 9 5 17 9 5 18 7 7 18 6 73 203 89