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CDCA42 TJSJ 130905
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
505 AM AST SAT DEC 13 2025
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..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 12 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
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TEMPERATURE (F)
YESTERDAY
MAXIMUM 88 1:52 PM 91 1987 84 4 86
MINIMUM 76 6:27 AM 65 1957 74 2 78
AVERAGE 82 79 3 82
PRECIPITATION (IN)
YESTERDAY 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
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 17
MONTH TO DATE 188 168 20 208
SINCE DEC 1 188 168 20 208
SINCE JAN 1 5894 5541 353 6475
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WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (90)
AVERAGE WIND SPEED 8.2
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 91
LOWEST 53
AVERAGE 72
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 89 2014
MINIMUM TEMPERATURE (F) 74 66 1985
SUNRISE AND SUNSET
DECEMBER 13 2025......SUNRISE 6:47 AM AST SUNSET 5:49 PM AST
DECEMBER 14 2025......SUNRISE 6:48 AM AST SUNSET 5:50 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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