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CDCA42 TJSJ 220856
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
456 AM AST MON SEP 22 2025
...............................
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 21 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 1:09 PM 95 2019 89 1 92
MINIMUM 78 5:29 AM 71 1960 77 1 81
AVERAGE 84 83 1 87
PRECIPITATION (IN)
YESTERDAY T 4.04 1998 0.21 -0.21 0.00
MONTH TO DATE 3.95 4.75 -0.80 3.04
SINCE SEP 1 3.95 4.75 -0.80 3.04
SINCE JAN 1 47.57 40.69 6.88 53.25
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 22
MONTH TO DATE 401 378 23 445
SINCE SEP 1 401 378 23 445
SINCE JAN 1 4446 4189 257 4896
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WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (60)
AVERAGE WIND SPEED 4.6
SKY COVER
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 88
LOWEST 63
AVERAGE 76
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THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 96 2021
MINIMUM TEMPERATURE (F) 77 71 1947
SUNRISE AND SUNSET
SEPTEMBER 22 2025.....SUNRISE 6:13 AM AST SUNSET 6:20 PM AST
SEPTEMBER 23 2025.....SUNRISE 6:13 AM AST SUNSET 6:19 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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