561
CDCA42 TJSJ 200940
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
500 AM AST THU AUG 20 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 19 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 90 4:26 PM 93 1991 89 1 93
2020
2025
MINIMUM 81 6:23 AM 73 1956 78 3 81
AVERAGE 86 84 2 87
PRECIPITATION (IN)
YESTERDAY 0.06 1.35 1926 0.21 -0.15 0.08
MONTH TO DATE 0.90 3.66 -2.76 5.45
SINCE JUN 1 2.96 14.34 -11.38 15.03
SINCE JAN 1 23.91 33.31 -9.40 39.43
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 22
MONTH TO DATE 396 342 54 368
SINCE JUN 1 1614 1448 166 1481
SINCE JAN 1 3867 3581 286 3805
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 8.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 63
AVERAGE 76
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 1980
MINIMUM TEMPERATURE (F) 78 69 1904
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 6:07 AM AST SUNSET 6:47 PM AST
AUGUST 21 2026........SUNRISE 6:07 AM AST SUNSET 6:47 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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