Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 310945
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
545 AM AST SUN AUG 31 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 30 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 1:27 PM 95 2008 89 2 90
MINIMUM 80 11:47 PM 70 1954 78 2 79
AVERAGE 86 84 2 85
PRECIPITATION (IN)
YESTERDAY 0.42 3.52 2010 0.23 0.19 0.56
MONTH TO DATE 7.19 6.06 1.13 8.73
SINCE JUN 1 16.77 16.74 0.03 16.90
SINCE JAN 1 41.17 35.71 5.46 49.78
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 21 18 3 20
MONTH TO DATE 589 540 49 633
SINCE JUN 1 1702 1646 56 1919
SINCE JAN 1 4026 3779 247 4431
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION NE (40)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87
LOWEST 59
AVERAGE 73
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 1995
MINIMUM TEMPERATURE (F) 78 71 1902
SUNRISE AND SUNSET
AUGUST 31 2025........SUNRISE 6:09 AM AST SUNSET 6:39 PM AST
SEPTEMBER 1 2025.....SUNRISE 6:09 AM AST SUNSET 6:38 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$