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CDCA42 TJSJ 170856
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
456 AM AST SUN AUG 17 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 16 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 88 1:02 PM 93 1992 89 -1 93
2024
MINIMUM 77 9:55 PM 73 2005 78 -1 82
AVERAGE 83 84 -1 88
PRECIPITATION (IN)
YESTERDAY 1.31 2.70 1926 0.20 1.11 T
MONTH TO DATE 4.59 3.04 1.55 5.27
SINCE JUN 1 14.17 13.72 0.45 13.44
SINCE JAN 1 38.57 32.69 5.88 46.32
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 18 18 0 23
MONTH TO DATE 309 288 21 339
SINCE JUN 1 1422 1394 28 1625
SINCE JAN 1 3746 3527 219 4137
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 45 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 12.5
SKY COVER
AVERAGE SKY COVER 0.8
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 75
AVERAGE 85
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 93 1984
MINIMUM TEMPERATURE (F) 78 71 1903
SUNRISE AND SUNSET
AUGUST 17 2025........SUNRISE 6:06 AM AST SUNSET 6:49 PM AST
AUGUST 18 2025........SUNRISE 6:07 AM AST SUNSET 6:49 PM AST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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