140
CDUS41 KOKX 260620
CLIISP
CLIMATE REPORT
NATIONAL WEATHER SERVICE NEW YORK, NY
120 AM EST FRI DEC 26 2025
...............................
..THE ISLIP NY CLIMATE SUMMARY FOR DECEMBER 25 2025
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)
YESTERDAY
MAXIMUM 49 156 PM 65 2015 42 7 37
MINIMUM 27 1159 PM 3 1983 28 -1 24
AVERAGE 38 35 3 31
PRECIPITATION (IN)
YESTERDAY 0.00 1.29 2002 0.15 -0.15 0.00
MONTH TO DATE 2.68 3.87 -1.19 4.62
SINCE DEC 1 2.68 3.87 -1.19 4.62
SINCE JAN 1 35.82 45.15 -9.33 47.19
SNOWFALL (IN)
YESTERDAY 0.0 8.0 2002 0.3 -0.3 0.0
MONTH TO DATE 5.8 3.2 2.6 2.1
SINCE DEC 1 5.8 3.2 2.6 2.1
SINCE JUL 1 5.8 3.7 2.1 2.1
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 27 30 -3 34
MONTH TO DATE 739 680 59 737
SINCE DEC 1 739 680 59 737
SINCE JUL 1 1528 1619 -91 1427
COOLING
YESTERDAY 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 28 HIGHEST WIND DIRECTION N (340)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION N (340)
AVERAGE WIND SPEED 12.6
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 75 700 AM
LOWEST 37 200 PM
AVERAGE 56
......................................................
THE ISLIP NY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 42 64 1982
MINIMUM TEMPERATURE (F) 28 5 1968
1983
SUNRISE AND SUNSET
DECEMBER 26 2025......SUNRISE 715 AM EST SUNSET 431 PM EST
DECEMBER 27 2025......SUNRISE 716 AM EST SUNSET 432 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