641
CDCA42 TJSJ 121943
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
343 PM AST FRI SEP 12 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 12 2025
VALID TODAY AS OF 0300 PM LOCAL TIME.
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)
TODAY
MAXIMUM 89 1:16 PM 94 2011 89 0 91
2017
MINIMUM 80 6:41 AM 72 1961 78 2 81
AVERAGE 85 83 2 86
PRECIPITATION (IN)
TODAY 0.02 2.90 1905 0.23 -0.21 0.28
MONTH TO DATE 1.80 2.81 -1.01 2.06
SINCE SEP 1 1.80 2.81 -1.01 2.06
SINCE JAN 1 45.42 38.75 6.67 52.27
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 20 18 2 21
MONTH TO DATE 233 216 17 251
SINCE SEP 1 233 216 17 251
SINCE JAN 1 4278 4027 251 4702
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 5.5
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 68
AVERAGE 77
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 2023
MINIMUM TEMPERATURE (F) 78 70 1928
SUNRISE AND SUNSET
SEPTEMBER 12 2025.....SUNRISE 6:11 AM AST SUNSET 6:29 PM AST
SEPTEMBER 13 2025.....SUNRISE 6:11 AM AST SUNSET 6:28 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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