855
CDUS42 KCHS 210615
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
215 AM EDT THU AUG 21 2025
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..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR AUGUST 20 2025
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 86 100 PM 99 1902 86 0 86
MINIMUM 76 600 AM 66 1943 76 0 75
AVERAGE 81 81 0 81
PRECIPITATION (IN)
YESTERDAY 0.00 3.26 1949 0.20 -0.20 0.54
MONTH TO DATE 5.20 3.82 1.38 10.71
SINCE JUN 1 11.60 13.75 -2.15 20.38
SINCE JAN 1 23.31 27.44 -4.13 40.73
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 16 16 0 16
MONTH TO DATE 319 335 -16 343
SINCE JUN 1 1422 1299 123 1406
SINCE JAN 1 1937 1686 251 1890
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WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)
AVERAGE WIND SPEED 11.0
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THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 99 1900
MINIMUM TEMPERATURE (F) 76 66 1930
1961
SUNRISE AND SUNSET
AUGUST 21 2025........SUNRISE 647 AM EDT SUNSET 758 PM EDT
AUGUST 22 2025........SUNRISE 648 AM EDT SUNSET 756 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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