584
CDCA42 TJSJ 180901
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
501 AM AST FRI JUL 18 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 17 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 89 2:00 PM 94 2024 89 0 94
MINIMUM 79 7:13 AM 72 1956 78 1 82
AVERAGE 84 83 1 88
PRECIPITATION (IN)
YESTERDAY 0.14 1.37 1977 0.21 -0.07 0.09
MONTH TO DATE 2.43 3.13 -0.70 2.45
SINCE JUN 1 6.44 7.79 -1.35 5.86
SINCE JAN 1 30.84 26.76 4.08 38.74
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 19 18 1 23
MONTH TO DATE 320 306 14 358
SINCE JUN 1 847 849 -2 997
SINCE JAN 1 3171 2982 189 3509
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 11.5
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97
LOWEST 70
AVERAGE 84
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 91 2005
2024
MINIMUM TEMPERATURE (F) 78 70 1960
SUNRISE AND SUNSET
JULY 18 2025..........SUNRISE 5:57 AM AST SUNSET 7:03 PM AST
JULY 19 2025..........SUNRISE 5:58 AM AST SUNSET 7:03 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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