999
CDUS41 KPHI 122131
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
431 PM EST FRI DEC 12 2025
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR DECEMBER 12 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 32 3:44 PM 63 1931 44 -12 37
MINIMUM 22 8:04 AM 2 1988 28 -6 19
AVERAGE 27 36 -9 28
PRECIPITATION (IN)
TODAY 0.00 2.10 1983 0.14 -0.14 0.00
MONTH TO DATE 0.77 1.64 -0.87 1.63
SINCE DEC 1 0.77 1.64 -0.87 1.63
SINCE JAN 1 35.74 45.14 -9.40 39.83
SNOWFALL (IN)
TODAY 0.0 3.9 1960 0.1 -0.1 0.0
MONTH TO DATE 1.2 1.5 -0.3 T
SINCE DEC 1 1.2 1.5 -0.3 T
SINCE JUL 1 1.4 2.6 -1.2 T
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 38 29 9 37
MONTH TO DATE 436 332 104 364
SINCE DEC 1 436 332 104 364
SINCE JUL 1 1448 1368 80 1233
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 15 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 9.2
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 68 12:00 AM
LOWEST 44 12:00 PM
AVERAGE 56
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 44 68 2015
MINIMUM TEMPERATURE (F) 27 5 1960
1988
1995
SUNRISE AND SUNSET
DECEMBER 12 2025......SUNRISE 7:16 AM EST SUNSET 4:35 PM EST
DECEMBER 13 2025......SUNRISE 7:17 AM EST SUNSET 4:35 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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