676  
CDUS42 KCHS 112209  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
509 PM EST THU DEC 11 2025  
   
...............................
 
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR DECEMBER 11 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 56 420 PM 75 1946 62 -6 68  
1961  
1971  
MINIMUM 46 720 AM 26 1957 48 -2 44  
AVERAGE 51 55 -4 56  
 
PRECIPITATION (IN)  
TODAY 0.00 1.37 1915 0.11 -0.11 0.27  
MONTH TO DATE 1.77 1.05 0.72 0.33  
SINCE DEC 1 1.77 1.05 0.72 0.33  
SINCE JAN 1 41.65 42.40 -0.75 47.38  
 
DEGREE DAYS  
HEATING  
TODAY 14 11 3 9  
MONTH TO DATE 161 108 53 150  
SINCE DEC 1 161 108 53 150  
SINCE JUL 1 340 323 17 256  
 
COOLING  
TODAY 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    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 7.0  
   
......................................................
 
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 77 1948  
1971  
2007  
MINIMUM TEMPERATURE (F) 47 20 1957  
1962  
 
SUNRISE AND SUNSET  
DECEMBER 11 2025......SUNRISE 712 AM EST SUNSET 514 PM EST  
DECEMBER 12 2025......SUNRISE 713 AM EST SUNSET 514 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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