070
CDUS41 KOKX 222137
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
437 PM EST MON DEC 22 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 22 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 40 351 PM 61 2013 43 -3 22
MINIMUM 25 726 AM 9 1989 28 -3 14
AVERAGE 33 36 -3 18
PRECIPITATION (IN)
TODAY 0.00 1.43 1969 0.16 -0.16 0.00
MONTH TO DATE 2.48 3.43 -0.95 4.61
SINCE DEC 1 2.48 3.43 -0.95 4.61
SINCE JAN 1 35.62 44.71 -9.09 47.18
SNOWFALL (IN)
TODAY 0.0 10.0 1975 0.2 -0.2 0.0
MONTH TO DATE 5.8 2.6 3.2 2.0
SINCE DEC 1 5.8 2.6 3.2 2.0
SINCE JUL 1 5.8 3.1 2.7 2.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 32 29 3 47
MONTH TO DATE 661 590 71 626
SINCE DEC 1 661 590 71 626
SINCE JUL 1 1450 1529 -79 1316
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 NW (300)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 65 800 AM
LOWEST 39 200 PM
AVERAGE 52
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 43 64 2015
MINIMUM TEMPERATURE (F) 28 8 1989
SUNRISE AND SUNSET
DECEMBER 22 2025......SUNRISE 714 AM EST SUNSET 429 PM EST
DECEMBER 23 2025......SUNRISE 714 AM EST SUNSET 429 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