852  
CDUS42 KCHS 162105  
CLICXM  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE CHARLESTON SC  
505 PM EDT FRI MAY 16 2025  
   
...............................  
 
   
..THE DOWNTOWN CHARLESTON SC CLIMATE SUMMARY FOR MAY 16 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 91 150 PM 96 1915 79 12 80  
MINIMUM 75 500 AM 53 1926 68 7 69  
AVERAGE 83 74 9 75  
 
PRECIPITATION (IN)  
TODAY 0.00 2.28 1922 0.07 -0.07 0.00  
MONTH TO DATE 5.33 1.16 4.17 1.86  
SINCE MAR 1 8.36 7.15 1.21 13.87  
SINCE JAN 1 11.03 12.27 -1.24 18.48  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 18 9 9 10  
MONTH TO DATE 152 115 37 152  
SINCE MAR 1 317 228 89 303  
SINCE JAN 1 325 233 92 303    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 7.2  
   
......................................................  
 
THE DOWNTOWN CHARLESTON SC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 94 1899  
MINIMUM TEMPERATURE (F) 68 54 1984  
 
SUNRISE AND SUNSET  
MAY 16 2025...........SUNRISE 620 AM EDT SUNSET 813 PM EDT  
MAY 17 2025...........SUNRISE 619 AM EDT SUNSET 813 PM EDT  
 
- 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