Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 292010
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
410 PM AST MON SEP 29 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 29 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 93 3:27 PM 96 2013 89 4 91
MINIMUM 79 5:54 AM 70 1905 77 2 80
AVERAGE 86 83 3 86
PRECIPITATION (IN)
TODAY 0.04 3.72 1979 0.19 -0.15 0.03
MONTH TO DATE 6.57 6.31 0.26 3.31
SINCE SEP 1 6.57 6.31 0.26 3.31
SINCE JAN 1 50.19 42.25 7.94 53.52
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 21 18 3 21
MONTH TO DATE 554 522 32 618
SINCE SEP 1 554 522 32 618
SINCE JAN 1 4599 4333 266 5069
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (150)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 5.7
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 52
AVERAGE 70
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 2014
MINIMUM TEMPERATURE (F) 77 71 1938
SUNRISE AND SUNSET
SEPTEMBER 29 2025.....SUNRISE 6:14 AM AST SUNSET 6:14 PM AST
SEPTEMBER 30 2025.....SUNRISE 6:14 AM AST SUNSET 6:13 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$