Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 280952
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
552 AM AST THU AUG 28 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 27 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 12:13 PM 95 2023 89 1 90
MINIMUM 79 4:49 AM 72 1958 78 1 81
AVERAGE 85 84 1 86
PRECIPITATION (IN)
YESTERDAY 0.54 2.30 1970 0.22 0.32 0.01
MONTH TO DATE 6.57 5.37 1.20 7.64
SINCE JUN 1 16.15 16.05 0.10 15.81
SINCE JAN 1 40.55 35.02 5.53 48.69
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 528 486 42 571
SINCE JUN 1 1641 1592 49 1857
SINCE JAN 1 3965 3725 240 4369
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (120)
AVERAGE WIND SPEED 6.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 59
AVERAGE 74
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 2023
MINIMUM TEMPERATURE (F) 78 71 1959
SUNRISE AND SUNSET
AUGUST 28 2025........SUNRISE 6:09 AM AST SUNSET 6:41 PM AST
AUGUST 29 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.
$$