571
CDUS42 KCHS 210601
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
201 AM EDT WED MAY 21 2025
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..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 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 88 1200 PM 95 1938 80 8 78
MINIMUM 77 1240 AM 45 1894 69 8 68
AVERAGE 83 74 9 73
PRECIPITATION (IN)
YESTERDAY 0.00 4.39 1932 0.07 -0.07 0.00
MONTH TO DATE 5.33 1.45 3.88 2.89
SINCE MAR 1 8.36 7.44 0.92 14.90
SINCE JAN 1 11.03 12.56 -1.53 19.51
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE MAR 1 172 275 -103 131
SINCE JUL 1 1512 1619 -107 1291
COOLING
YESTERDAY 18 10 8 8
MONTH TO DATE 215 152 63 190
SINCE MAR 1 380 265 115 341
SINCE JAN 1 388 270 118 341
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (210)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (210)
AVERAGE WIND SPEED 8.2
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THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 99 1938
MINIMUM TEMPERATURE (F) 69 51 1894
SUNRISE AND SUNSET
MAY 21 2025...........SUNRISE 617 AM EDT SUNSET 816 PM EDT
MAY 22 2025...........SUNRISE 616 AM EDT SUNSET 817 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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