468
CDCA42 TJSJ 180913
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
513 AM AST SAT JUL 18 2026
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 17 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 92 1:34 PM 94 2024 89 3 89
MINIMUM 79 6:19 AM 72 1956 78 1 79
AVERAGE 86 83 3 84
PRECIPITATION (IN)
YESTERDAY T 1.37 1977 0.21 -0.21 0.14
MONTH TO DATE 0.27 3.13 -2.86 2.43
SINCE JUN 1 1.79 7.79 -6.00 6.44
SINCE JAN 1 22.74 26.76 -4.02 30.84
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 19
MONTH TO DATE 342 306 36 320
SINCE JUN 1 928 849 79 847
SINCE JAN 1 3181 2982 199 3171
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 13.0
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 82
LOWEST 54
AVERAGE 68
......................................................
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 2026..........SUNRISE 5:57 AM AST SUNSET 7:03 PM AST
JULY 19 2026..........SUNRISE 5:57 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.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page