985
CDCA42 TJSJ 200905
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
505 AM AST SAT DEC 20 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR DECEMBER 19 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 85 2:33 PM 89 1994 84 1 86
MINIMUM 74 6:22 AM 66 1898 73 1 76
AVERAGE 80 79 1 81
PRECIPITATION (IN)
YESTERDAY 0.26 4.49 1903 0.15 0.11 0.46
MONTH TO DATE 2.19 3.21 -1.02 3.38
SINCE DEC 1 2.19 3.21 -1.02 3.38
SINCE JAN 1 62.91 58.23 4.68 77.61
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 15 14 1 16
MONTH TO DATE 292 266 26 320
SINCE DEC 1 292 266 26 320
SINCE JAN 1 5998 5639 359 6587
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 59
AVERAGE 77
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 90 1995
MINIMUM TEMPERATURE (F) 73 66 1959
SUNRISE AND SUNSET
DECEMBER 20 2025......SUNRISE 6:51 AM AST SUNSET 5:53 PM AST
DECEMBER 21 2025......SUNRISE 6:51 AM AST SUNSET 5:53 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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