345
CDCA42 TJSJ 152010
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
410 PM AST MON DEC 15 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 15 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 86 12:20 PM 90 1997 84 2 85
MINIMUM 74 7:26 AM 67 1906 73 1 75
AVERAGE 80 79 1 80
PRECIPITATION (IN)
TODAY T 3.28 1934 0.15 -0.15 0.03
MONTH TO DATE 1.53 2.61 -1.08 1.24
SINCE DEC 1 1.53 2.61 -1.08 1.24
SINCE JAN 1 62.25 57.63 4.62 75.47
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 15 14 1 15
MONTH TO DATE 234 210 24 255
SINCE DEC 1 234 210 24 255
SINCE JAN 1 5940 5583 357 6522
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.7
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91
LOWEST 61
AVERAGE 76
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 90 1980
MINIMUM TEMPERATURE (F) 73 66 1964
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 6:48 AM AST SUNSET 5:50 PM AST
DECEMBER 16 2025......SUNRISE 6:49 AM AST SUNSET 5:51 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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