Weather on May 1
Philadelphia, PA
55 Years of Data
Avg High
72°F
Avg Low
53°F
Warmest
2024
74°F avg
Coldest
1975
48°F avg
About This Date
May 1st in Philadelphia, PA typically brings pleasant spring weather, with average highs around 72°F and lows near 53°F. Over 54 years of records, the warmest May 1st was in 2024 (74°F average), while the coldest was 1975 (48°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 28% of May 1st dates historically, with the wettest May 1st recording 5.77" of rain. The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.7°F cooler on this date compared to 20-30 years ago.
Planning for May 1st in Philadelphia, PA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 58° | 69° | — | — |
| 2024warmest | 87° | 61° | 74° | — | — |
| 2023 | 62° | 50° | 56° | — | — |
| 2022 | 70° | 48° | 59° | — | — |
| 2021 | 70° | 45° | 57° | — | — |
| 2019 | 77° | 54° | 65° | — | — |
| 2018 | — | 45° | — | — | — |
| 2017 | 73° | 50° | 62° | — | — |
| 2016 | 61° | 45° | 53° | 1.07" | — |
| 2015 | 69° | 48° | 59° | — | — |
| 2014 | 65° | 47° | 56° | 5.08" | — |
| 2013 | 69° | 49° | 59° | — | — |
| 2012 | 67° | 46° | 56° | 0.36" | — |
| 2011 | 71° | 57° | 64° | — | — |
| 2010 | 80° | 63° | 71° | — | — |
| 2009 | 71° | 58° | 64° | 0.23" | — |
| 2008 | 66° | 52° | 59° | 0.05" | — |
| 2007 | 72° | 56° | 64° | — | — |
| 2006 | 72° | 48° | 60° | — | — |
| 2005 | 69° | 54° | 61° | — | — |
| 2004 | 81° | 61° | 71° | — | — |
| 2003 | 81° | 56° | 68° | — | — |
| 2002 | 72° | 54° | 63° | 0.91" | — |
| 2001 | 87° | 55° | 71° | — | — |
| 2000 | 72° | 49° | 60° | 0.25" | — |
| 1999 | 69° | 48° | 59° | — | — |
| 1998 | 69° | 56° | 62° | 1.12" | — |
| 1997 | 76° | 55° | 65° | 0.89" | — |
| 1996 | 68° | 45° | 56° | 3" | — |
| 1995 | 57° | 47° | 52° | 1.6" | — |
| 1994 | 78° | 63° | 70° | 0.2" | — |
| 1993 | 80° | 54° | 67° | — | — |
| 1992 | 71° | 53° | 62° | — | — |
| 1991 | 82° | 62° | 72° | — | — |
| 1990 | 77° | 55° | 66° | — | — |
| 1989 | 62° | 50° | 56° | — | — |
| 1988 | 65° | 49° | 57° | — | — |
| 1987 | 67° | 48° | 57° | — | — |
| 1986 | 82° | 62° | 72° | — | — |
| 1985 | 86° | 58° | 72° | — | — |
| 1984 | 70° | 59° | 64° | — | — |
| 1983 | 81° | 62° | 71° | — | — |
| 1982 | 75° | 53° | 64° | — | — |
| 1981 | 69° | 52° | 60° | — | — |
| 1980 | 69° | 50° | 60° | — | — |
| 1979 | 65° | 53° | 59° | — | — |
| 1978 | 56° | 40° | 48° | — | — |
| 1977 | 75° | 51° | 63° | — | — |
| 1976 | 62° | 56° | 59° | 5.77" | — |
| 1975coldest | 50° | 46° | 48° | 0.61" | — |
| 1974 | 73° | 52° | 62° | — | — |
| 1973 | 77° | 55° | 66° | — | — |
| 1972 | 78° | 54° | 66° | 0.38" | — |
| 1971 | 66° | 46° | 56° | — | — |
54 years of data from PHILADELPHIA WSFO