Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 232117
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
517 PM AST SAT AUG 23 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 23 2025...
VALID TODAY AS OF 0500 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 90 1:41 PM 96 1974 89 1 91
MINIMUM 76 3:38 PM 71 2000 78 -2 81
AVERAGE 83 84 -1 86
PRECIPITATION (IN)
TODAY 0.47 4.63 2000 0.22 0.25 0.06
MONTH TO DATE 5.92 4.49 1.43 7.47
SINCE JUN 1 15.50 15.17 0.33 15.64
SINCE JAN 1 39.90 34.14 5.76 48.52
DEGREE DAYS
HEATING
TODAY 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
TODAY 18 18 0 21
MONTH TO DATE 447 414 33 488
SINCE JUN 1 1560 1520 40 1774
SINCE JAN 1 3884 3653 231 4286
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (50)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 5.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 65
AVERAGE 78
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 2023
MINIMUM TEMPERATURE (F) 78 70 1956
SUNRISE AND SUNSET
AUGUST 23 2025........SUNRISE 6:08 AM AST SUNSET 6:45 PM AST
AUGUST 24 2025........SUNRISE 6:08 AM AST SUNSET 6:44 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$