539
CDUS41 KPHI 122128
CLIABE
CLIMATE REPORT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
528 PM EDT TUE MAY 12 2026
...............................
..THE ALLENTOWN PA CLIMATE SUMMARY FOR MAY 12 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1922 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 67 3:55 PM 89 1936 73 -6 80
1948
MINIMUM 39 5:33 AM 34 1963 49 -10 44
AVERAGE 53 61 -8 62
PRECIPITATION (IN)
TODAY 0.00 1.46 2019 0.11 -0.11 0.00
MONTH TO DATE 0.63 1.37 -0.74 4.47
SINCE MAR 1 9.36 8.67 0.69 10.20
SINCE JAN 1 13.10 14.74 -1.64 13.53
SNOWFALL (IN)
TODAY 0.0 T 1994 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 T 6.8 -6.8 0.0
SINCE JUL 1 35.5 33.1 2.4 17.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 12 5 7 3
MONTH TO DATE 118 80 38 36
SINCE MAR 1 1115 1237 -122 1032
SINCE JUL 1 5518 5196 322 5074
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 2 12 -10 10
SINCE MAR 1 32 20 12 11
SINCE JAN 1 32 20 12 11
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 5.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 59 6:00 AM
LOWEST 26 2:00 PM
AVERAGE 43
......................................................
THE ALLENTOWN PA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 90 1944
MINIMUM TEMPERATURE (F) 50 33 1967
1996
SUNRISE AND SUNSET
MAY 12 2026...........SUNRISE 5:48 AM EDT SUNSET 8:09 PM EDT
MAY 13 2026...........SUNRISE 5:47 AM EDT SUNSET 8:10 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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