594
CDCA42 TJSJ 120837
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
437 AM AST FRI DEC 12 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 11 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 12:27 PM 89 1994 85 3 86
MINIMUM 75 5:49 AM 65 1957 74 1 76
AVERAGE 82 79 3 81
PRECIPITATION (IN)
YESTERDAY T 2.26 2007 0.16 -0.16 0.01
MONTH TO DATE 0.85 1.97 -1.12 1.00
SINCE DEC 1 0.85 1.97 -1.12 1.00
SINCE JAN 1 61.57 56.99 4.58 75.23
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 17 14 3 16
MONTH TO DATE 171 154 17 191
SINCE DEC 1 171 154 17 191
SINCE JAN 1 5877 5527 350 6458
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 7.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 61
AVERAGE 78
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 91 1987
MINIMUM TEMPERATURE (F) 74 65 1957
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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