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CDCA42 TJSJ 310843
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
443 AM AST FRI JUL 31 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 30 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1898 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 91 1:29 PM 94 1990 89 2 91
MINIMUM 81 6:24 AM 71 1919 78 3 78
AVERAGE 86 83 3 85
PRECIPITATION (IN)
YESTERDAY T 4.46 2020 0.20 -0.20 0.10
MONTH TO DATE 0.53 5.83 -5.30 5.47
SINCE JUN 1 2.05 10.49 -8.44 9.48
SINCE JAN 1 23.00 29.46 -6.46 33.88
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 611 540 71 567
SINCE JUN 1 1197 1083 114 1094
SINCE JAN 1 3450 3216 234 3418
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (90)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 13.1
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 79
LOWEST 59
AVERAGE 69
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 1980
MINIMUM TEMPERATURE (F) 78 71 1927
SUNRISE AND SUNSET
JULY 31 2026..........SUNRISE 6:02 AM AST SUNSET 6:59 PM AST
AUGUST 1 2026........SUNRISE 6:02 AM AST SUNSET 6:59 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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