371
CDUS42 KCHS 120606
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
206 AM EDT TUE MAY 12 2026
...............................
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 11 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 240 PM 94 1955 78 10 75
MINIMUM 67 1150 PM 52 1966 67 0 66
AVERAGE 78 72 6 71
PRECIPITATION (IN)
YESTERDAY 0.02 3.86 2025 0.07 -0.05 3.86
MONTH TO DATE 1.08 0.81 0.27 5.08
SINCE MAR 1 1.79 6.80 -5.01 8.11
SINCE JAN 1 5.52 11.92 -6.40 10.78
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 9 0 9 0
SINCE MAR 1 171 275 -104 172
SINCE JUL 1 1569 1619 -50 1512
COOLING
YESTERDAY 13 8 5 6
MONTH TO DATE 59 74 -15 87
SINCE MAR 1 250 187 63 252
SINCE JAN 1 255 192 63 260
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (20)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 9.2
......................................................
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 78 96 1896
MINIMUM TEMPERATURE (F) 67 53 1947
1952
2021
SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE 623 AM EDT SUNSET 810 PM EDT
MAY 13 2026...........SUNRISE 622 AM EDT SUNSET 810 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page