809  
CDCA42 TJSJ 311930  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
330 PM AST SUN MAY 31 2026  
   
...............................  
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 31 2026  
 
VALID TODAY AS OF 0300 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 90 1:59 PM 94 2024 88 2 93  
MINIMUM 78 6:00 AM 69 1959 77 1 79  
AVERAGE 84 82 2 86  
 
PRECIPITATION (IN)  
TODAY 0.01 1.97 1970 0.18 -0.17 0.06  
MONTH TO DATE 2.93 5.54 -2.61 6.94  
SINCE MAR 1 12.58 12.32 0.26 17.61  
SINCE JAN 1 20.95 18.97 1.98 24.40  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 19 18 1 21  
MONTH TO DATE 543 513 30 507  
SINCE MAR 1 1460 1386 74 1440  
SINCE JAN 1 2252 2133 119 2324    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 5.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 57  
AVERAGE 75  
   
......................................................  
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1993  
MINIMUM TEMPERATURE (F) 77 69 1957  
 
SUNRISE AND SUNSET  
MAY 31 2026...........SUNRISE 5:47 AM AST SUNSET 6:57 PM AST  
JUNE 1 2026..........SUNRISE 5:47 AM AST SUNSET 6:57 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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