Weather on December 5
Allentown, PA
55 Years of Data
Avg High
43°F
Avg Low
29°F
Warmest
1982
61°F avg
Coldest
2025
18°F avg
About This Date
December 5th in Allentown, PA typically brings chilly winter weather, with average highs around 43°F and lows near 29°F. Over 55 years of records, the warmest December 5th was in 1982 (61°F average), while the coldest was 2025 (18°F) — a 43°F range across recorded history. Precipitation has occurred on 45% of recorded December 5th dates, with snow falling 16% of the time (heaviest snowfall: 8"). The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for December 5th 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 |
|---|---|---|---|---|---|
| 2025coldest | 25° | 12° | 18° | — | — |
| 2024 | 37° | 28° | 33° | 0.08" | — |
| 2023 | 41° | 31° | 36° | — | — |
| 2022 | 46° | 18° | 32° | — | — |
| 2021 | 48° | 31° | 40° | — | — |
| 2020 | 44° | 37° | 41° | 0.97" | — |
| 2019 | 43° | 36° | 39° | — | — |
| 2018 | 37° | 19° | 28° | — | — |
| 2017 | 57° | 47° | 52° | 0.56" | — |
| 2016 | 48° | 31° | 40° | 0.56" | — |
| 2015 | 50° | 26° | 38° | — | — |
| 2014 | 36° | 25° | 31° | 0.58" | — |
| 2013 | 55° | 46° | 51° | 0.05" | — |
| 2012 | 57° | 31° | 44° | — | — |
| 2011 | 58° | 32° | 45° | — | — |
| 2010 | 34° | 27° | 30° | — | — |
| 2009 | 40° | 32° | 36° | 1.19" | 3.7" |
| 2008 | 36° | 17° | 26° | — | — |
| 2007 | 30° | 21° | 26° | 0.15" | 1.4" |
| 2006 | 36° | 21° | 28° | — | — |
| 2005 | 32° | 24° | 28° | — | — |
| 2004 | 54° | 28° | 41° | — | — |
| 2003 | 31° | 24° | 27° | 1.91" | 7" |
| 2002 | 27° | 23° | 25° | 1.7" | 8" |
| 2001 | 69° | 43° | 56° | 0.03" | — |
| 2000 | 43° | 21° | 32° | — | — |
| 1999 | 66° | 35° | 51° | — | — |
| 1998 | 57° | 47° | 52° | 0.03" | — |
| 1997 | 42° | 30° | 36° | 0.03" | — |
| 1996 | 43° | 24° | 33° | 0.15" | — |
| 1995 | 41° | 21° | 31° | 0.33" | — |
| 1994 | 57° | 48° | 53° | 3.35" | — |
| 1993 | 51° | 39° | 45° | 4.98" | — |
| 1992 | 36° | 27° | 31° | 0.1" | 0.1" |
| 1991 | 30° | 19° | 25° | 0.1" | 0.6" |
| 1990 | 36° | 27° | 31° | — | — |
| 1989 | 30° | 16° | 23° | — | — |
| 1988 | 41° | 30° | 36° | — | — |
| 1987 | 38° | 29° | 33° | — | — |
| 1986 | 38° | 24° | 31° | — | — |
| 1985 | 32° | 18° | 25° | 0.25" | 1.5" |
| 1984 | 37° | 27° | 32° | 0.43" | 1.6" |
| 1983 | 41° | 35° | 38° | — | — |
| 1982warmest | 67° | 56° | 61° | — | — |
| 1981 | 41° | 34° | 37° | 0.1" | — |
| 1980 | 40° | 23° | 31° | — | — |
| 1979 | 51° | 26° | 39° | — | — |
| 1978 | 47° | 32° | 39° | 0.18" | — |
| 1977 | 34° | 31° | 32° | 2.06" | 0.7" |
| 1976 | 38° | 23° | 30° | — | — |
| 1975 | 49° | 26° | 37° | — | — |
| 1974 | 42° | 23° | 33° | — | — |
| 1973 | 63° | 54° | 58° | 3.12" | — |
| 1972 | 40° | 31° | 35° | — | — |
| 1971 | 37° | 18° | 27° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP