Weather on December 23
Allentown, PA
55 Years of Data
About This Date
December 23rd in Allentown, PA typically brings chilly winter weather, with average highs around 43°F and lows near 26°F. Over 55 years of records, the warmest December 23rd was in 1990 (60°F average), while the coldest was 1989 (11°F) — a 49°F range across recorded history. Precipitation has occurred on 42% of recorded December 23rd dates, with snow falling 7% of the time. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for December 23rd in Allentown, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 37° | 30° | 34° | 0.28" | 0.8" |
| 2024 | 26° | 1° | 14° | — | — |
| 2023 | 42° | 27° | 35° | 0.03" | — |
| 2022 | 57° | 4° | 31° | 1.04" | 0.1" |
| 2021 | 36° | 22° | 29° | — | — |
| 2020 | 43° | 24° | 34° | — | — |
| 2019 | 56° | 25° | 41° | — | — |
| 2018 | 44° | 37° | 41° | 0.08" | — |
| 2017 | 49° | 38° | 43° | 2.34" | — |
| 2016 | 46° | 24° | 35° | — | — |
| 2015 | 65° | 52° | 58° | 1.8" | — |
| 2014 | 46° | 38° | 42° | 0.46" | — |
| 2013 | 56° | 36° | 46° | 1.73" | — |
| 2012 | 41° | 26° | 34° | — | — |
| 2011 | 48° | 30° | 39° | 1.09" | — |
| 2010 | 35° | 27° | 31° | — | — |
| 2009 | 28° | 18° | 23° | — | — |
| 2008 | 27° | 10° | 18° | — | — |
| 2007 | 61° | 35° | 48° | 1.93" | — |
| 2006 | 56° | 44° | 50° | 1.04" | — |
| 2005 | 50° | 28° | 39° | — | — |
| 2004 | 59° | 34° | 46° | 3" | — |
| 2003 | 57° | 32° | 45° | — | — |
| 2002 | 43° | 28° | 35° | — | — |
| 2001 | 47° | 21° | 34° | 0.61" | — |
| 2000 | 25° | 7° | 16° | — | — |
| 1999 | 41° | 19° | 30° | — | — |
| 1998 | 23° | 15° | 19° | — | — |
| 1997 | 40° | 31° | 35° | 0.66" | — |
| 1996 | 47° | 28° | 37° | — | — |
| 1995 | 33° | 25° | 29° | — | — |
| 1994 | 56° | 24° | 40° | — | — |
| 1993 | 38° | 20° | 29° | — | — |
| 1992 | 45° | 29° | 37° | — | — |
| 1991 | 41° | 30° | 36° | 0.25" | — |
| 1990warmest | 64° | 55° | 60° | 1.04" | — |
| 1989coldest | 20° | 2° | 11° | — | — |
| 1988 | 37° | 25° | 31° | 0.69" | 0.1" |
| 1987 | 44° | 29° | 36° | 0.05" | — |
| 1986 | 45° | 23° | 34° | — | — |
| 1985 | 42° | 28° | 35° | — | — |
| 1984 | 42° | 27° | 34° | — | — |
| 1983 | 31° | 15° | 23° | 0.13" | 0.3" |
| 1982 | 36° | 32° | 34° | 0.3" | — |
| 1981 | 46° | 33° | 40° | 0.23" | — |
| 1980 | 33° | 17° | 25° | — | — |
| 1979 | 40° | 35° | 37° | 0.03" | — |
| 1978 | 42° | 20° | 31° | — | — |
| 1977 | 40° | 25° | 32° | — | — |
| 1976 | 38° | 18° | 28° | — | — |
| 1975 | 36° | 18° | 27° | — | — |
| 1974 | 41° | 23° | 32° | — | — |
| 1973 | 41° | 28° | 35° | — | — |
| 1972 | 42° | 31° | 36° | 0.08" | — |
| 1971 | 35° | 15° | 25° | — | — |
Allentown, PA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Allentown, PA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Allentown, PA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Allentown, PA
Allentown, PA has no months that meet our "pleasant" threshold — every season has tradeoffs.