766
CDCA42 TJSJ 150851
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
451 AM AST MON SEP 15 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 14 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 90 10:42 AM 95 1982 89 1 94
2023
MINIMUM 78 6:43 AM 71 1959 78 0 82
AVERAGE 84 83 1 88
PRECIPITATION (IN)
YESTERDAY 0.52 2.88 2013 0.22 0.30 0.08
MONTH TO DATE 2.54 3.25 -0.71 2.20
SINCE SEP 1 2.54 3.25 -0.71 2.20
SINCE JAN 1 46.16 39.19 6.97 52.41
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE SEP 1 0 0 0 0
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 19 18 1 23
MONTH TO DATE 271 252 19 295
SINCE SEP 1 271 252 19 295
SINCE JAN 1 4316 4063 253 4746
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION SE (140)
AVERAGE WIND SPEED 5.4
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 68
AVERAGE 79
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 2024
MINIMUM TEMPERATURE (F) 78 69 1960
SUNRISE AND SUNSET
SEPTEMBER 15 2025.....SUNRISE 6:12 AM AST SUNSET 6:26 PM AST
SEPTEMBER 16 2025.....SUNRISE 6:12 AM AST SUNSET 6:25 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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