236  
CDCA42 TJSJ 080905  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
505 AM AST MON DEC 08 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 7 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 2:54 PM 90 1989 85 1 87  
MINIMUM 73 1:30 AM 67 1960 74 -1 76  
AVERAGE 80 79 1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 1.41 2015 0.17 -0.12 0.03  
MONTH TO DATE 0.73 1.29 -0.56 0.32  
SINCE DEC 1 0.73 1.29 -0.56 0.32  
SINCE JAN 1 61.45 56.31 5.14 74.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 15 14 1 17  
MONTH TO DATE 109 98 11 124  
SINCE DEC 1 109 98 11 124  
SINCE JAN 1 5815 5471 344 6391    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 65  
AVERAGE 80  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 90 1981  
MINIMUM TEMPERATURE (F) 74 67 1990  
 
SUNRISE AND SUNSET  
DECEMBER 8 2025......SUNRISE 6:44 AM AST SUNSET 5:48 PM AST  
DECEMBER 9 2025......SUNRISE 6:45 AM AST SUNSET 5:48 PM AST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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