739  
CDUS42 KCHS 172207  
CLICHS  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
507 PM EST WED DEC 17 2025  
   
...............................  
 
   
..THE NORTH CHARLESTON SC CLIMATE SUMMARY FOR DECEMBER 17 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1937 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 71 318 PM 79 2021 62 9 73  
MINIMUM 34 550 AM 18 1955 41 -7 51  
AVERAGE 53 52 1 62  
 
PRECIPITATION (IN)  
TODAY 0.00 3.25 2023 0.11 -0.11 0.01  
MONTH TO DATE 1.55 1.80 -0.25 0.38  
SINCE DEC 1 1.55 1.80 -0.25 0.38  
SINCE JAN 1 42.32 50.96 -8.64 50.64  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0  
SINCE DEC 1 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0  
 
DEGREE DAYS  
HEATING  
TODAY 12 13 -1 3  
MONTH TO DATE 310 206 104 255  
SINCE DEC 1 310 206 104 255  
SINCE JUL 1 591 498 93 434  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 4  
SINCE DEC 1 0 0 0 4  
SINCE JAN 1 2596 2425 171 2841    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION W (260)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 2.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 44 200 PM  
AVERAGE 72  
   
......................................................  
 
THE NORTH CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 80 2008  
MINIMUM TEMPERATURE (F) 41 17 1943  
 
SUNRISE AND SUNSET  
DECEMBER 17 2025......SUNRISE 717 AM EST SUNSET 516 PM EST  
DECEMBER 18 2025......SUNRISE 717 AM EST SUNSET 516 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab SC Page
The Nexlab GA Page
Main Text Page