637
CDUS42 KCHS 210610
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
210 AM EDT TUE OCT 21 2025
...............................
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR OCTOBER 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 72 1200 AM 87 1926 75 -3 74
MINIMUM 60 630 AM 40 1972 62 -2 56
AVERAGE 66 68 -2 65
PRECIPITATION (IN)
YESTERDAY 0.00 3.82 1904 0.12 -0.12 0.00
MONTH TO DATE 3.84 3.03 0.81 0.15
SINCE SEP 1 4.88 8.28 -3.40 4.62
SINCE JAN 1 38.77 38.01 0.76 45.52
DEGREE DAYS
HEATING
YESTERDAY 0 1 -1 0
MONTH TO DATE 1 8 -7 20
SINCE SEP 1 1 9 -8 20
SINCE JUL 1 1 9 -8 20
COOLING
YESTERDAY 1 4 -3 0
MONTH TO DATE 103 133 -30 118
SINCE SEP 1 457 510 -53 504
SINCE JAN 1 2552 2371 181 2560
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION N (360)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (360)
AVERAGE WIND SPEED 8.7
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THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 84 1943
1962
MINIMUM TEMPERATURE (F) 61 39 1913
SUNRISE AND SUNSET
OCTOBER 21 2025.......SUNRISE 729 AM EDT SUNSET 639 PM EDT
OCTOBER 22 2025.......SUNRISE 729 AM EDT SUNSET 638 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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