201
CDCA42 TJSJ 181935
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
335 PM AST THU SEP 18 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 18 2025
VALID TODAY AS OF 0300 PM LOCAL TIME.
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)
TODAY
MAXIMUM 81 1:59 PM 96 1995 89 -8 91
MINIMUM 76 3:43 AM 71 1960 78 -2 81
AVERAGE 79 83 -4 86
PRECIPITATION (IN)
TODAY 0.56 8.84 1989 0.22 0.34 0.02
MONTH TO DATE 3.59 4.12 -0.53 2.47
SINCE SEP 1 3.59 4.12 -0.53 2.47
SINCE JAN 1 47.21 40.06 7.15 52.68
DEGREE DAYS
HEATING
TODAY 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
TODAY 14 18 -4 21
MONTH TO DATE 344 324 20 383
SINCE SEP 1 344 324 20 383
SINCE JAN 1 4389 4135 254 4834
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (80)
AVERAGE WIND SPEED 3.9
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94
LOWEST 79
AVERAGE 87
......................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 95 2013
MINIMUM TEMPERATURE (F) 77 71 1950
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 6:12 AM AST SUNSET 6:23 PM AST
SEPTEMBER 19 2025.....SUNRISE 6:12 AM AST SUNSET 6:23 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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