Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 030851
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST WED SEP 03 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 2 2025...
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)
YESTERDAY
MAXIMUM 91 12:49 PM 95 2023 89 2 90
MINIMUM 79 6:32 AM 72 1962 78 1 80
AVERAGE 85 84 1 85
PRECIPITATION (IN)
YESTERDAY T 3.45 1931 0.23 -0.23 0.33
MONTH TO DATE 0.01 0.47 -0.46 0.37
SINCE SEP 1 0.01 0.47 -0.46 0.37
SINCE JAN 1 43.63 36.41 7.22 50.58
DEGREE DAYS
HEATING
YESTERDAY 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
YESTERDAY 20 18 2 20
MONTH TO DATE 39 36 3 40
SINCE SEP 1 39 36 3 40
SINCE JAN 1 4084 3847 237 4491
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 6.3
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 85
LOWEST 59
AVERAGE 72
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1995
2023
2024
MINIMUM TEMPERATURE (F) 78 71 1962
SUNRISE AND SUNSET
SEPTEMBER 3 2025.....SUNRISE 6:10 AM AST SUNSET 6:36 PM AST
SEPTEMBER 4 2025.....SUNRISE 6:10 AM AST SUNSET 6:35 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$