Weather on December 11
Philadelphia, PA
55 Years of Data
Avg High
47°F
Avg Low
35°F
Warmest
1971
57°F avg
Coldest
1995
19°F avg
About This Date
December 11th in Philadelphia, PA typically brings chilly winter weather, with average highs around 47°F and lows near 35°F. Over 55 years of records, the warmest December 11th was in 1971 (57°F average), while the coldest was 1995 (19°F) — a 38°F range across recorded history. Precipitation has occurred on 22% of recorded December 11th dates, with snow falling 2% 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 11th 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 | 46° | 26° | 36° | — | — |
| 2024 | 64° | 45° | 54° | — | — |
| 2023 | 63° | 36° | 49° | — | — |
| 2022 | 43° | 36° | 39° | — | — |
| 2021 | 51° | 36° | 43° | 1.78" | — |
| 2020 | 52° | 37° | 44° | — | — |
| 2019 | 57° | 33° | 45° | 0.97" | — |
| 2018 | 44° | 32° | 38° | — | — |
| 2017 | 39° | 29° | 34° | — | — |
| 2016 | 38° | 28° | 33° | — | — |
| 2015 | 61° | 49° | 55° | — | — |
| 2014 | 42° | 32° | 37° | 0.08" | — |
| 2013 | 34° | 26° | 30° | 0.38" | 0.5" |
| 2012 | 60° | 45° | 52° | 0.3" | — |
| 2011 | 43° | 30° | 36° | — | — |
| 2010 | 36° | 29° | 32° | — | — |
| 2009 | 41° | 23° | 32° | — | — |
| 2008 | 42° | 38° | 40° | 4.83" | — |
| 2007 | 46° | 38° | 42° | — | — |
| 2006 | 61° | 41° | 51° | — | — |
| 2005 | 42° | 36° | 39° | — | — |
| 2004 | 49° | 41° | 45° | 0.08" | — |
| 2003 | 59° | 40° | 49° | — | — |
| 2002 | 40° | 35° | 37° | 2.92" | — |
| 2001 | 56° | 45° | 50° | 0.05" | — |
| 2000 | 45° | 36° | 40° | — | — |
| 1999 | 48° | 40° | 44° | — | — |
| 1998 | 49° | 38° | 43° | — | — |
| 1997 | 37° | 34° | 35° | 0.36" | — |
| 1996 | 44° | 39° | 42° | — | — |
| 1995coldest | 23° | 15° | 19° | — | — |
| 1994 | 50° | 39° | 45° | 2.03" | — |
| 1993 | 49° | 24° | 36° | 0.76" | — |
| 1992 | 50° | 42° | 46° | — | — |
| 1991 | 53° | 37° | 45° | — | — |
| 1990 | 42° | 33° | 38° | — | — |
| 1989 | 39° | 28° | 34° | — | — |
| 1988 | 33° | 15° | 24° | — | — |
| 1987 | 55° | 44° | 50° | — | — |
| 1986 | 42° | 35° | 39° | — | — |
| 1985 | 58° | 45° | 51° | — | — |
| 1984 | 55° | 43° | 49° | — | — |
| 1983 | 44° | 37° | 41° | — | — |
| 1982 | 42° | 33° | 38° | — | — |
| 1981 | 37° | 26° | 32° | — | — |
| 1980 | 40° | 29° | 34° | — | — |
| 1979 | 62° | 41° | 52° | — | — |
| 1978 | 34° | 21° | 27° | — | — |
| 1977 | 26° | 17° | 22° | — | — |
| 1976 | 48° | 42° | 45° | — | — |
| 1975 | 48° | 38° | 43° | — | — |
| 1974 | 48° | 30° | 39° | — | — |
| 1973 | 39° | 34° | 36° | — | — |
| 1972 | 43° | 34° | 38° | — | — |
| 1971warmest | 67° | 47° | 57° | — | — |
55 years of data from PHILADELPHIA CITY