380
CDUS41 KOKX 052136
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
436 PM EST FRI DEC 05 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 5 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1963 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 32 359 PM 70 2001 47 -15 43
MINIMUM 21 812 AM 13 1966 32 -11 32
AVERAGE 27 40 -13 38
PRECIPITATION (IN)
TODAY 0.00 2.27 1993 0.16 -0.16 0.39
MONTH TO DATE 1.33 0.77 0.56 0.52
SINCE DEC 1 1.33 0.77 0.56 0.52
SINCE JAN 1 34.47 42.05 -7.58 43.09
SNOWFALL (IN)
TODAY 0.0 8.0 2003 0.1 -0.1 T
MONTH TO DATE T 0.3 -0.3 T
SINCE DEC 1 T 0.3 -0.3 T
SINCE JUL 1 T 0.8 -0.8 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 38 25 13 27
MONTH TO DATE 150 123 27 158
SINCE DEC 1 150 123 27 158
SINCE JUL 1 939 1062 -123 848
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 1104 885 219 1012
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION N (10)
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)
AVERAGE WIND SPEED 6.9
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 61 300 PM
LOWEST 40 300 AM
AVERAGE 51
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 47 67 1998
MINIMUM TEMPERATURE (F) 32 13 2002
SUNRISE AND SUNSET
DECEMBER 5 2025......SUNRISE 701 AM EST SUNSET 425 PM EST
DECEMBER 6 2025......SUNRISE 702 AM EST SUNSET 425 PM EST
- 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