605
CDUS42 KCHS 200614
CLICXM
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHARLESTON SC
214 AM EDT WED MAY 20 2026
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..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 19 2026
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1870 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 78 820 AM 93 1962 80 -2 82
1977
2001
MINIMUM 72 350 AM 53 2002 69 3 71
AVERAGE 75 74 1 77
PRECIPITATION (IN)
YESTERDAY 0.00 1.16 1894 0.08 -0.08 0.00
MONTH TO DATE 1.08 1.38 -0.30 5.33
SINCE MAR 1 1.79 7.37 -5.58 8.36
SINCE JAN 1 5.52 12.49 -6.97 11.03
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 9 0 9 0
SINCE MAR 1 171 275 -104 172
SINCE JUL 1 1569 1619 -50 1512
COOLING
YESTERDAY 10 9 1 12
MONTH TO DATE 115 142 -27 197
SINCE MAR 1 306 255 51 362
SINCE JAN 1 311 260 51 370
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WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 8.6
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THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 80 95 1938
MINIMUM TEMPERATURE (F) 69 45 1894
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 618 AM EDT SUNSET 815 PM EDT
MAY 21 2026...........SUNRISE 617 AM EDT SUNSET 816 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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