Weather on December 1
Philadelphia, PA
55 Years of Data
Avg High
51°F
Avg Low
38°F
Warmest
2001
61°F avg
Coldest
1976
28°F avg
About This Date
December 1st in Philadelphia, PA typically brings cool winter weather, with average highs around 51°F and lows near 38°F. Over 55 years of records, the warmest December 1st was in 2001 (61°F average), while the coldest was 1976 (28°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 25% of December 1st dates historically, with the wettest December 1st recording 5.72" of rain. 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 1st in Philadelphia, PA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 43° | 36° | 39° | — | — |
| 2024 | 39° | 27° | 33° | — | — |
| 2023 | 54° | 40° | 47° | — | — |
| 2022 | 56° | 35° | 45° | 0.97" | — |
| 2021 | 47° | 40° | 43° | — | — |
| 2020 | 68° | 45° | 56° | 1.19" | — |
| 2019 | 45° | 33° | 39° | — | — |
| 2018 | 44° | 35° | 40° | — | — |
| 2017 | 58° | 39° | 48° | — | — |
| 2016 | 60° | 55° | 58° | 5.72" | — |
| 2015 | 53° | 38° | 45° | 0.69" | — |
| 2014 | 57° | 43° | 50° | — | — |
| 2013 | 41° | 28° | 35° | — | — |
| 2012 | 49° | 40° | 44° | — | — |
| 2011 | 52° | 37° | 44° | — | — |
| 2010 | 63° | 53° | 58° | 2.44" | — |
| 2009 | 54° | 37° | 45° | 0.56" | — |
| 2008 | 57° | 40° | 48° | 0.15" | — |
| 2007 | 38° | 29° | 33° | — | — |
| 2006 | 69° | 44° | 57° | 0.41" | — |
| 2005 | 50° | 38° | 44° | — | — |
| 2004 | 56° | 43° | 49° | 2.72" | — |
| 2003 | 54° | 39° | 46° | 0.03" | — |
| 2002 | 41° | 32° | 37° | — | — |
| 2001warmest | 70° | 53° | 61° | — | — |
| 2000 | 44° | 33° | 39° | — | — |
| 1999 | 37° | 23° | 30° | — | — |
| 1998 | 62° | 47° | 54° | — | — |
| 1997 | 47° | 36° | 41° | — | — |
| 1996 | 59° | 43° | 51° | 0.91" | — |
| 1995 | 55° | 41° | 48° | — | — |
| 1994 | 53° | 35° | 44° | — | — |
| 1993 | 47° | 29° | 38° | — | — |
| 1992 | 51° | 38° | 44° | — | — |
| 1991 | 64° | 55° | 60° | — | — |
| 1990 | 52° | 36° | 44° | — | — |
| 1989 | 41° | 27° | 34° | — | — |
| 1988 | 47° | 37° | 42° | — | — |
| 1987 | 51° | 40° | 45° | — | — |
| 1986 | 42° | 30° | 36° | — | — |
| 1985 | 53° | 43° | 48° | — | — |
| 1984 | 58° | 46° | 52° | — | — |
| 1983 | 45° | 35° | 40° | — | — |
| 1982 | 55° | 44° | 50° | — | — |
| 1981 | 58° | 33° | 45° | — | — |
| 1980 | 66° | 45° | 55° | — | — |
| 1979 | 45° | 32° | 38° | — | — |
| 1978 | 48° | 37° | 43° | — | — |
| 1977 | 53° | 43° | 48° | 1.04" | — |
| 1976coldest | 34° | 22° | 28° | — | — |
| 1975 | 63° | 34° | 48° | 0.13" | — |
| 1974 | 47° | 36° | 41° | 1.5" | — |
| 1973 | 51° | 39° | 45° | — | — |
| 1972 | 45° | 34° | 39° | — | — |
| 1971 | 41° | 27° | 34° | — | — |
55 years of data from PHILADELPHIA WSFO