364
CDCA42 TJSJ 170857
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
457 AM AST MON AUG 17 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 16 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 2:56 PM 93 1992 89 1 88
2024
MINIMUM 81 11:59 PM 73 2005 78 3 77
AVERAGE 86 84 2 83
PRECIPITATION (IN)
YESTERDAY 0.01 2.70 1926 0.20 -0.19 1.31
MONTH TO DATE 0.83 3.04 -2.21 4.59
SINCE JUN 1 2.89 13.72 -10.83 14.17
SINCE JAN 1 23.84 32.69 -8.85 38.57
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 18
MONTH TO DATE 333 288 45 309
SINCE JUN 1 1551 1394 157 1422
SINCE JAN 1 3804 3527 277 3746
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 15.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 80
LOWEST 59
AVERAGE 70
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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 2026........SUNRISE 6:06 AM AST SUNSET 6:49 PM AST
AUGUST 18 2026........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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