507
CDCA42 TJSJ 111943
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
343 PM AST THU SEP 11 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 11 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 90 12:57 PM 94 1994 89 1 92
MINIMUM 80 6:52 AM 71 1909 78 2 77
AVERAGE 85 83 2 85
PRECIPITATION (IN)
TODAY 0.11 2.32 1918 0.23 -0.12 T
MONTH TO DATE 1.78 2.58 -0.80 1.78
SINCE SEP 1 1.78 2.58 -0.80 1.78
SINCE JAN 1 45.40 38.52 6.88 51.99
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 20
MONTH TO DATE 213 198 15 230
SINCE SEP 1 213 198 15 230
SINCE JAN 1 4258 4009 249 4681
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 6.0
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 50
AVERAGE 70
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 2011
2017
MINIMUM TEMPERATURE (F) 78 72 1961
SUNRISE AND SUNSET
SEPTEMBER 11 2025.....SUNRISE 6:11 AM AST SUNSET 6:29 PM AST
SEPTEMBER 12 2025.....SUNRISE 6:11 AM AST SUNSET 6:29 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page