471
CDCA42 TJSJ 100853
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
453 AM AST WED DEC 10 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 9 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 83 2:49 PM 91 1981 85 -2 88
MINIMUM 74 11:59 PM 67 1958 74 0 77
AVERAGE 79 79 0 83
PRECIPITATION (IN)
YESTERDAY 0.04 2.80 1975 0.17 -0.13 0.23
MONTH TO DATE 0.77 1.63 -0.86 0.70
SINCE DEC 1 0.77 1.63 -0.86 0.70
SINCE JAN 1 61.49 56.65 4.84 74.93
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 14 14 0 18
MONTH TO DATE 140 126 14 159
SINCE DEC 1 140 126 14 159
SINCE JAN 1 5846 5499 347 6426
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WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 69
AVERAGE 79
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 91 1981
MINIMUM TEMPERATURE (F) 74 65 1957
SUNRISE AND SUNSET
DECEMBER 10 2025......SUNRISE 6:45 AM AST SUNSET 5:48 PM AST
DECEMBER 11 2025......SUNRISE 6:46 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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