538  
CDUS42 KILM 210816  
CLICRE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE WILMINGTON NC  
416 AM EDT THU AUG 21 2025  
   
...............................
 
 
...THE N.MYRTLE BEACH SOUTH CAROLINA CLIMATE SUMMARY FOR AUGUST 20 2025...  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1931 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 444 PM 95 2005 86 0 85  
MINIMUM 74 726 AM 61 1943 72 2 67  
AVERAGE 80 79 1 76  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.58 1949 0.22 -0.22 0.91  
MONTH TO DATE 13.30 3.73 9.57 13.61  
SINCE JUN 1 25.79 13.20 12.59 24.01  
SINCE JAN 1 37.69 28.71 8.98 39.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 14 1 11  
MONTH TO DATE 283 296 -13 294  
SINCE JUN 1 1269 1158 111 1253  
SINCE JAN 1 1606 1406 200 1585    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 200 AM  
LOWEST 61 400 PM  
AVERAGE 79  
   
......................................................
 
 
THE N.MYRTLE BEACH SOUTH CAROLINA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 96 1968  
MINIMUM TEMPERATURE (F) 72 61 1953  
 
SUNRISE AND SUNSET  
AUGUST 21 2025........SUNRISE 641 AM EDT SUNSET 754 PM EDT  
AUGUST 22 2025........SUNRISE 642 AM EDT SUNSET 753 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 NC Page
The Nexlab SC Page Main Text Page