Climatological Report (Daily)
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
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CDCA42 TJSJ 181946
CLISJU
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN JUAN PR
346 PM AST WED JUN 18 2025
...................................
...THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JUNE 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 89 1:52 PM 94 2005 89 0 94
2024
MINIMUM 78 6:34 AM 69 1909 77 1 80
AVERAGE 84 83 1 87
PRECIPITATION (IN)
TODAY 0.16 2.32 1949 0.14 0.02 T
MONTH TO DATE 2.48 2.94 -0.46 2.15
SINCE JUN 1 2.48 2.94 -0.46 2.15
SINCE JAN 1 26.88 21.91 4.97 35.03
DEGREE DAYS
HEATING
TODAY 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
TODAY 19 18 1 22
MONTH TO DATE 321 324 -3 385
SINCE JUN 1 321 324 -3 385
SINCE JAN 1 2645 2457 188 2897
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 10.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90
LOWEST 68
AVERAGE 79
..........................................................
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 94 1981
MINIMUM TEMPERATURE (F) 77 66 1909
SUNRISE AND SUNSET
JUNE 18 2025..........SUNRISE 5:48 AM AST SUNSET 7:02 PM AST
JUNE 19 2025..........SUNRISE 5:48 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.
$$