Weather on December 19
Allentown, PA
55 Years of Data
About This Date
December 19th in Allentown, PA typically brings cold winter weather, with average highs around 38°F and lows near 22°F. Over 55 years of records, the warmest December 19th was in 2017 (48°F average), while the coldest was 1989 (16°F) — a 32°F range across recorded history. Precipitation has occurred on 33% of recorded December 19th dates, with snow falling 20% of the time (heaviest snowfall: 8.6"). 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 19th in Allentown, PA? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella. Check road conditions if traveling, as snow is possible.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 59° | 27° | 43° | 1.5" | — |
| 2024 | 43° | 30° | 37° | — | — |
| 2023 | 40° | 26° | 33° | — | — |
| 2022 | 33° | 23° | 28° | — | — |
| 2021 | 44° | 22° | 33° | 0.03" | — |
| 2020 | 28° | 5° | 17° | — | — |
| 2019 | 27° | 16° | 22° | — | — |
| 2018 | 45° | 20° | 33° | — | — |
| 2017warmest | 57° | 40° | 48° | — | — |
| 2016 | 30° | 17° | 24° | — | — |
| 2015 | 39° | 30° | 35° | — | — |
| 2014 | 39° | 32° | 36° | — | — |
| 2013 | 40° | 11° | 26° | — | — |
| 2012 | 49° | 36° | 42° | — | — |
| 2011 | 48° | 19° | 34° | — | — |
| 2010 | 36° | 13° | 24° | — | — |
| 2009 | 27° | 21° | 24° | 1.02" | 5.4" |
| 2008 | 32° | 25° | 28° | 2.36" | 2.8" |
| 2007 | 39° | 24° | 32° | — | — |
| 2006 | 44° | 26° | 35° | — | — |
| 2005 | 34° | 20° | 27° | — | — |
| 2004 | 39° | 13° | 26° | 0.05" | 0.2" |
| 2003 | 34° | 27° | 30° | — | — |
| 2002 | 42° | 23° | 33° | 0.05" | — |
| 2001 | 49° | 34° | 41° | — | — |
| 2000 | 31° | 19° | 25° | 0.71" | 3" |
| 1999 | 41° | 26° | 34° | — | — |
| 1998 | 47° | 24° | 35° | — | — |
| 1997 | 47° | 27° | 37° | — | — |
| 1996 | 39° | 25° | 32° | 0.41" | — |
| 1995 | 31° | 18° | 24° | 1.65" | 8.6" |
| 1994 | 44° | 31° | 37° | — | — |
| 1993 | 44° | 33° | 39° | 0.56" | — |
| 1992 | 45° | 25° | 35° | — | — |
| 1991 | 27° | 14° | 20° | — | — |
| 1990 | 49° | 32° | 40° | 0.03" | — |
| 1989coldest | 23° | 8° | 16° | — | 0.1" |
| 1988 | 45° | 21° | 33° | — | — |
| 1987 | 42° | 25° | 33° | — | — |
| 1986 | 44° | 34° | 39° | — | — |
| 1985 | 25° | 10° | 17° | — | — |
| 1984 | 41° | 29° | 35° | 0.76" | — |
| 1983 | 28° | 15° | 22° | — | — |
| 1982 | 33° | 25° | 29° | 0.18" | 1.5" |
| 1981 | 24° | 10° | 17° | — | — |
| 1980 | 40° | 12° | 26° | — | — |
| 1979 | 25° | 17° | 21° | 0.76" | 4.4" |
| 1978 | 32° | 18° | 25° | — | — |
| 1977 | 37° | 33° | 35° | 0.33" | 0.4" |
| 1976 | 47° | 19° | 33° | — | — |
| 1975 | 25° | 12° | 18° | — | — |
| 1974 | 32° | 26° | 29° | 0.08" | 0.4" |
| 1973 | 23° | 16° | 19° | — | — |
| 1972 | 41° | 28° | 35° | 0.05" | — |
| 1971 | 33° | 16° | 24° | 0.03" | 0.1" |