CDCA42 TJSJ 122024

CLISJU



CLIMATE REPORT 

NATIONAL WEATHER SERVICE SAN JUAN PR

424 PM AST FRI DEC 12 2025



...................................



...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 12 2025...

VALID TODAY AS OF 0400 PM LOCAL TIME.



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)                                                          

 TODAY                                                               

  MAXIMUM         88        MM  91    1987  84      4       86        

  MINIMUM         76        MM  65    1957  74      2       78        

  AVERAGE         82                        79      3       82     



PRECIPITATION (IN)                                                    

  TODAY            0.14          6.96 1981   0.17  -0.03     0.01     

  MONTH TO DATE    0.99                      2.14  -1.15     1.01     

  SINCE DEC 1      0.99                      2.14  -1.15     1.01     

  SINCE JAN 1     61.71                     57.16   4.55    75.24     



DEGREE DAYS                                                           

 HEATING                                                              

  TODAY            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                                                              

  TODAY           17                        14      3       17        

  MONTH TO DATE  188                       168     20      208        

  SINCE DEC 1    188                       168     20      208        

  SINCE JAN 1   5894                      5541    353     6475        

...................................................................





WIND (MPH)                                                            

  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (90)        

  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     E (110)       

  AVERAGE WIND SPEED     8.5                                        





SKY COVER                                                             

  AVERAGE SKY COVER 0.4                                                 





WEATHER CONDITIONS                                                    

THE FOLLOWING WEATHER WAS RECORDED TODAY.                             

  LIGHT RAIN                                                          





RELATIVE HUMIDITY (PERCENT)

 HIGHEST    91                                                        

 LOWEST     53                                                        

 AVERAGE    72                                                        



..........................................................





THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW

                         NORMAL    RECORD    YEAR                     

 MAXIMUM TEMPERATURE (F)   84        89      2014                      

 MINIMUM TEMPERATURE (F)   74        66      1985                      





SUNRISE AND SUNSET                                                    

DECEMBER 12 2025......SUNRISE   6:47 AM AST   SUNSET   5:49 PM AST     

DECEMBER 13 2025......SUNRISE   6:47 AM AST   SUNSET   5:49 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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