863
CDUS41 KPHI 312127
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
427 PM EST WED DEC 31 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 31 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 30 3:43 PM 61 1932 40 -10 54
1965
1972
MINIMUM 24 8:37 AM -6 1963 24 0 25
AVERAGE 27 32 -5 40
PRECIPITATION (IN)
TODAY T 1.04 2018 0.11 -0.11 0.62
MONTH TO DATE 2.54 3.86 -1.32 3.86
SINCE DEC 1 2.54 3.86 -1.32 3.86
SINCE JAN 1 37.51 47.36 -9.85 42.06
SNOWFALL (IN)
TODAY T 6.0 1898 0.2 -0.2 0.0
MONTH TO DATE 7.5 4.6 2.9 4.8
SINCE DEC 1 7.5 4.6 2.9 4.8
SINCE JUL 1 7.7 5.7 2.0 4.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 38 33 5 25
MONTH TO DATE 1110 931 179 1001
SINCE DEC 1 1110 931 179 1001
SINCE JUL 1 2122 1967 155 1870
COOLING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE DEC 1 0 0 0 0
SINCE JAN 1 924 981 -57 994
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (250)
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 12.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
LIGHT SNOW
RELATIVE HUMIDITY (PERCENT)
HIGHEST 57 2:00 AM
LOWEST 48 12:00 AM
AVERAGE 53
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 39 62 2005
MINIMUM TEMPERATURE (F) 24 -3 1968
SUNRISE AND SUNSET
DECEMBER 31 2025......SUNRISE 7:25 AM EST SUNSET 4:45 PM EST
JANUARY 1 2026.......SUNRISE 7:26 AM EST SUNSET 4:45 PM EST
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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