414  
CDCA42 TJSJ 170853  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
453 AM AST THU JUL 17 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 16 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 88 1:26 PM 93 2014 89 -1 92  
MINIMUM 79 6:36 AM 70 1952 78 1 80  
AVERAGE 84 83 1 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.16 1.73 2010 0.20 -0.04 0.01  
MONTH TO DATE 2.29 2.92 -0.63 2.36  
SINCE JUN 1 6.30 7.58 -1.28 5.77  
SINCE JAN 1 30.70 26.55 4.15 38.65  
 
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 19 18 1 21  
MONTH TO DATE 301 288 13 335  
SINCE JUN 1 828 831 -3 974  
SINCE JAN 1 3152 2964 188 3486    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91  
LOWEST 70  
AVERAGE 81  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 2024  
MINIMUM TEMPERATURE (F) 78 72 1956  
 
SUNRISE AND SUNSET  
JULY 17 2025..........SUNRISE 5:57 AM AST SUNSET 7:03 PM AST  
JULY 18 2025..........SUNRISE 5:57 AM AST SUNSET 7:03 PM AST  
 
- 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 PR Page Main Text Page