341
CDCA42 TJSJ 152010
CLIIST
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
410 PM AST MON DEC 15 2025
...............................
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 15 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1953 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 MM 91 1994 85 2 85
MINIMUM 76 MM 70 2010 75 1 76
AVERAGE 82 80 2 81
PRECIPITATION (IN)
TODAY 0.00 2.06 2014 0.09 -0.09 0.00
MONTH TO DATE 0.89 1.59 -0.70 0.48
SINCE DEC 1 0.89 1.59 -0.70 0.48
SINCE JAN 1 29.55 40.11 -10.56 35.55
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 17 15 2 16
MONTH TO DATE 236 233 3 242
SINCE DEC 1 236 233 3 242
SINCE JAN 1 5613 5931 -318 4730
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (140)
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 70
AVERAGE 80
......................................................
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 92 1994
MINIMUM TEMPERATURE (F) 75 69 1954
SUNRISE AND SUNSET
DECEMBER 15 2025......SUNRISE 6:44 AM AST SUNSET 5:46 PM AST
DECEMBER 16 2025......SUNRISE 6:45 AM AST SUNSET 5:47 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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