Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 290921
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
521 AM AST FRI AUG 29 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 28 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 90 2:55 PM 95 2023 89 1 90
MINIMUM 79 6:33 AM 71 1959 78 1 81
AVERAGE 85 84 1 86
PRECIPITATION (IN)
YESTERDAY 0.20 2.38 1986 0.23 -0.03 0.08
MONTH TO DATE 6.77 5.60 1.17 7.72
SINCE JUN 1 16.35 16.28 0.07 15.89
SINCE JAN 1 40.75 35.25 5.50 48.77
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 20 18 2 21
MONTH TO DATE 548 504 44 592
SINCE JUN 1 1661 1610 51 1878
SINCE JAN 1 3985 3743 242 4390
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 5.6
SKY COVER
AVERAGE SKY COVER 0.3
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 94 2016
MINIMUM TEMPERATURE (F) 78 69 1916
SUNRISE AND SUNSET
AUGUST 29 2025........SUNRISE 6:09 AM AST SUNSET 6:40 PM AST
AUGUST 30 2025........SUNRISE 6:09 AM AST SUNSET 6:40 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$