305
CDUS42 KCHS 210721
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
221 AM EST SUN DEC 21 2025
...............................
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR DECEMBER 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 59 230 PM 81 1931 60 -1 64
MINIMUM 45 540 AM 25 2000 46 -1 51
AVERAGE 52 53 -1 58
PRECIPITATION (IN)
YESTERDAY 0.00 2.18 1922 0.09 -0.09 0.00
MONTH TO DATE 2.06 1.94 0.12 0.35
SINCE DEC 1 2.06 1.94 0.12 0.35
SINCE JAN 1 41.94 43.29 -1.35 47.40
DEGREE DAYS
HEATING
YESTERDAY 13 12 1 7
MONTH TO DATE 284 211 73 222
SINCE DEC 1 284 211 73 222
SINCE JUL 1 463 426 37 328
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 15 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.5
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THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 60 75 1923
MINIMUM TEMPERATURE (F) 46 22 1942
SUNRISE AND SUNSET
DECEMBER 21 2025......SUNRISE 718 AM EST SUNSET 518 PM EST
DECEMBER 22 2025......SUNRISE 719 AM EST SUNSET 518 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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