503
CDCA42 TJSJ 082017
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
417 PM AST MON SEP 08 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 8 2025
VALID TODAY AS OF 0400 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 88 12:26 PM 95 1995 89 -1 89
MINIMUM 76 4:59 AM 71 1956 78 -2 82
AVERAGE 82 83 -1 86
PRECIPITATION (IN)
TODAY 0.31 1.61 1989 0.23 0.08 0.27
MONTH TO DATE 0.83 1.89 -1.06 1.08
SINCE SEP 1 0.83 1.89 -1.06 1.08
SINCE JAN 1 44.45 37.83 6.62 51.29
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 17 18 -1 21
MONTH TO DATE 154 144 10 171
SINCE SEP 1 154 144 10 171
SINCE JAN 1 4199 3955 244 4622
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 70
AVERAGE 82
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 2013
2021
MINIMUM TEMPERATURE (F) 78 70 1988
SUNRISE AND SUNSET
SEPTEMBER 8 2025.....SUNRISE 6:11 AM AST SUNSET 6:32 PM AST
SEPTEMBER 9 2025.....SUNRISE 6:11 AM AST SUNSET 6:31 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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