Weather on May 11
Philadelphia, PA
55 Years of Data
Avg High
74°F
Avg Low
56°F
Warmest
1987
78°F avg
Coldest
1989
51°F avg
About This Date
May 11th in Philadelphia, PA typically brings pleasant spring weather, with average highs around 74°F and lows near 56°F. Over 54 years of records, the warmest May 11th was in 1987 (78°F average), while the coldest was 1989 (51°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 20% of May 11th dates historically, with the wettest May 11th recording 2.21" of rain. The last decade has been 5.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.6°F cooler on this date compared to 20-30 years ago.
Planning for May 11th in Philadelphia, PA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 58° | 66° | — | — |
| 2024 | 58° | 47° | 52° | — | — |
| 2023 | 75° | 56° | 65° | — | — |
| 2022 | 74° | 55° | 64° | — | — |
| 2021 | 63° | 51° | 57° | — | — |
| 2019 | 82° | 61° | 71° | 0.05" | — |
| 2018 | 81° | 59° | 70° | 0.03" | — |
| 2017 | 71° | 50° | 61° | — | — |
| 2016 | 61° | 52° | 56° | — | — |
| 2015 | 85° | 69° | 77° | — | — |
| 2014 | 83° | 63° | 73° | 1.47" | — |
| 2013 | 84° | 63° | 73° | 1.5" | — |
| 2012 | 67° | 51° | 59° | — | — |
| 2011 | 73° | 56° | 64° | — | — |
| 2010 | 63° | 48° | 55° | — | — |
| 2009 | 66° | 52° | 59° | — | — |
| 2008 | 65° | 48° | 56° | 0.28" | — |
| 2007 | 83° | 64° | 73° | — | — |
| 2006 | 76° | 58° | 67° | 2.21" | — |
| 2005 | 83° | 53° | 68° | — | — |
| 2004 | 90° | 66° | 78° | — | — |
| 2003 | 85° | 64° | 74° | — | — |
| 2002 | 74° | 55° | 64° | 0.43" | — |
| 2001 | 87° | 65° | 76° | — | — |
| 2000 | 78° | 55° | 67° | 0.05" | — |
| 1999 | 78° | 57° | 68° | — | — |
| 1998 | 56° | 52° | 54° | 1.32" | — |
| 1997 | 70° | 48° | 59° | — | — |
| 1996 | 85° | 60° | 72° | — | — |
| 1995 | 58° | 52° | 55° | 0.05" | — |
| 1994 | 72° | 48° | 60° | — | — |
| 1993 | 86° | 63° | 74° | — | — |
| 1992 | 72° | 53° | 62° | — | — |
| 1991 | 75° | 56° | 65° | — | — |
| 1990 | 67° | 54° | 60° | — | — |
| 1989coldest | 55° | 47° | 51° | — | — |
| 1988 | 72° | 58° | 65° | — | — |
| 1987warmest | 87° | 70° | 78° | — | — |
| 1986 | 75° | 52° | 63° | — | — |
| 1985 | 87° | 65° | 76° | — | — |
| 1984 | 76° | 55° | 65° | — | — |
| 1983 | 65° | 48° | 56° | — | — |
| 1982 | 78° | 52° | 65° | — | — |
| 1981 | 66° | 63° | 64° | — | — |
| 1980 | 67° | 56° | 61° | — | — |
| 1979 | 86° | 59° | 73° | — | — |
| 1978 | 73° | 52° | 62° | — | — |
| 1977 | 70° | 50° | 60° | — | — |
| 1976 | 73° | 59° | 66° | 1.27" | — |
| 1975 | 76° | 54° | 65° | — | — |
| 1974 | 72° | 48° | 60° | — | — |
| 1973 | 78° | 66° | 72° | — | — |
| 1972 | 70° | 45° | 57° | — | — |
| 1971 | 82° | 57° | 70° | — | — |
54 years of data from PHILADELPHIA WSFO