693
CDUS42 KCHS 170706
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
206 AM EST WED DEC 17 2025
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..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR DECEMBER 16 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 54 450 PM 79 1971 61 -7 70
MINIMUM 33 620 AM 17 1943 47 -14 53
AVERAGE 44 54 -10 62
PRECIPITATION (IN)
YESTERDAY 0.00 1.18 1970 0.11 -0.11 0.00
MONTH TO DATE 1.77 1.56 0.21 0.33
SINCE DEC 1 1.77 1.56 0.21 0.33
SINCE JAN 1 41.65 42.91 -1.26 47.38
DEGREE DAYS
HEATING
YESTERDAY 21 11 10 3
MONTH TO DATE 248 163 85 203
SINCE DEC 1 248 163 85 203
SINCE JUL 1 427 378 49 309
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 1
SINCE DEC 1 0 0 0 1
SINCE JAN 1 2598 2441 157 2706
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WIND (MPH)
HIGHEST WIND SPEED 11 HIGHEST WIND DIRECTION E (110)
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION E (110)
AVERAGE WIND SPEED 4.2
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THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 61 78 1924
MINIMUM TEMPERATURE (F) 47 20 1943
SUNRISE AND SUNSET
DECEMBER 17 2025......SUNRISE 716 AM EST SUNSET 516 PM EST
DECEMBER 18 2025......SUNRISE 717 AM EST SUNSET 516 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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