Weather on December 1
Allentown, PA
55 Years of Data
Avg High
46°F
Avg Low
29°F
Warmest
2006
58°F avg
Coldest
1976
20°F avg
About This Date
December 1st in Allentown, PA typically brings chilly winter weather, with average highs around 46°F and lows near 29°F. Over 55 years of records, the warmest December 1st was in 2006 (58°F average), while the coldest was 1976 (20°F) — a 38°F range across recorded history. Rain or other precipitation has occurred on about 38% of December 1st dates historically, with the wettest December 1st recording 3.78" of rain. The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.4°F cooler on this date compared to 20-30 years ago.
Planning for December 1st in Allentown, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 41° | 24° | 33° | — | — |
| 2024 | 37° | 19° | 28° | — | — |
| 2023 | 42° | 24° | 33° | 0.53" | — |
| 2022 | 40° | 23° | 32° | — | — |
| 2021 | 47° | 30° | 39° | 0.1" | — |
| 2020 | 51° | 33° | 42° | — | — |
| 2019 | 35° | 28° | 32° | 1.27" | — |
| 2018 | 44° | 29° | 37° | 0.64" | — |
| 2017 | 53° | 29° | 41° | — | — |
| 2016 | 54° | 35° | 44° | 0.25" | — |
| 2015 | 50° | 38° | 44° | 1.55" | — |
| 2014 | 59° | 34° | 46° | 0.2" | — |
| 2013 | 44° | 21° | 33° | — | — |
| 2012 | 38° | 33° | 35° | — | — |
| 2011 | 51° | 31° | 41° | — | — |
| 2010 | 64° | 34° | 49° | 3.78" | — |
| 2009 | 44° | 27° | 35° | — | — |
| 2008 | 47° | 31° | 39° | 0.43" | — |
| 2007 | 36° | 26° | 31° | — | — |
| 2006warmest | 72° | 44° | 58° | 0.91" | — |
| 2005 | 44° | 31° | 37° | — | — |
| 2004 | 54° | 37° | 45° | 2.59" | — |
| 2003 | 52° | 26° | 39° | — | — |
| 2002 | 36° | 20° | 28° | — | — |
| 2001 | 66° | 41° | 54° | — | — |
| 2000 | 39° | 24° | 32° | — | — |
| 1999 | 35° | 20° | 27° | — | — |
| 1998 | 58° | 34° | 46° | — | — |
| 1997 | 45° | 32° | 38° | 0.03" | — |
| 1996 | 59° | 40° | 49° | 2.54" | — |
| 1995 | 49° | 30° | 39° | — | — |
| 1994 | 45° | 27° | 36° | — | — |
| 1993 | 43° | 21° | 32° | — | — |
| 1992 | 44° | 31° | 37° | — | — |
| 1991 | 62° | 49° | 55° | 0.36" | — |
| 1990 | 51° | 19° | 35° | — | — |
| 1989 | 35° | 20° | 27° | — | — |
| 1988 | 46° | 29° | 37° | — | — |
| 1987 | 46° | 33° | 40° | — | — |
| 1986 | 36° | 22° | 29° | — | — |
| 1985 | 45° | 37° | 41° | 1.37" | — |
| 1984 | 52° | 37° | 44° | — | — |
| 1983 | 38° | 29° | 33° | — | — |
| 1982 | 50° | 38° | 44° | 0.69" | — |
| 1981 | 42° | 22° | 32° | 2.41" | — |
| 1980 | 52° | 30° | 41° | — | — |
| 1979 | 40° | 23° | 31° | — | — |
| 1978 | 45° | 27° | 36° | — | — |
| 1977 | 43° | 36° | 39° | 1.42" | — |
| 1976coldest | 30° | 11° | 20° | — | — |
| 1975 | 61° | 27° | 44° | 0.46" | — |
| 1974 | 37° | 27° | 32° | 0.33" | — |
| 1973 | 44° | 27° | 35° | — | — |
| 1972 | 39° | 33° | 36° | 0.08" | — |
| 1971 | 35° | 22° | 28° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP