Weather on May 17
Philadelphia, PA
55 Years of Data
Avg High
75°F
Avg Low
57°F
Warmest
1974
78°F avg
Coldest
1983
52°F avg
About This Date
May 17th in Philadelphia, PA typically brings pleasant spring weather, with average highs around 75°F and lows near 57°F. Over 54 years of records, the warmest May 17th was in 1974 (78°F average), while the coldest was 1983 (52°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 22% of May 17th dates historically, with the wettest May 17th recording 4.75" of rain. The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.5°F warmer on this date compared to 20-30 years ago.
Planning for May 17th in Philadelphia, PA? Great weather for outdoor activities.
Cooling Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 65° | 71° | — | — |
| 2024 | 68° | 61° | 64° | — | — |
| 2023 | 82° | 58° | 70° | — | — |
| 2022 | 80° | 58° | 69° | — | — |
| 2021 | 75° | 56° | 65° | — | — |
| 2019 | 78° | 61° | 69° | — | — |
| 2018 | 65° | 57° | 61° | 2.01" | — |
| 2017 | 74° | 57° | 65° | — | — |
| 2016 | 69° | 43° | 56° | — | — |
| 2015 | 85° | 68° | 76° | 0.51" | — |
| 2014 | 70° | 52° | 61° | 3.35" | — |
| 2013 | 84° | 63° | 73° | — | — |
| 2012 | 82° | 56° | 69° | — | — |
| 2011 | 68° | 58° | 63° | 0.41" | — |
| 2010 | 73° | 59° | 66° | — | — |
| 2009 | 61° | 50° | 55° | 0.03" | — |
| 2008 | 73° | 56° | 64° | — | — |
| 2007 | 70° | 54° | 62° | 0.1" | — |
| 2006 | 74° | 58° | 66° | — | — |
| 2005 | 72° | 49° | 60° | — | — |
| 2004 | 78° | 64° | 71° | — | — |
| 2003 | 57° | 49° | 53° | — | — |
| 2002 | 82° | 55° | 69° | 4.75" | — |
| 2001 | 65° | 53° | 59° | — | — |
| 2000 | 76° | 56° | 66° | — | — |
| 1999 | 77° | 53° | 65° | — | — |
| 1998 | 79° | 61° | 70° | — | — |
| 1997 | 70° | 53° | 61° | — | — |
| 1996 | 73° | 61° | 67° | 0.28" | — |
| 1995 | 79° | 56° | 67° | — | — |
| 1994 | 78° | 49° | 63° | 0.08" | — |
| 1993 | 71° | 55° | 63° | — | — |
| 1992 | 73° | 52° | 62° | — | — |
| 1991 | 83° | 64° | 73° | — | — |
| 1990 | 82° | 64° | 73° | — | — |
| 1989 | 79° | 55° | 67° | — | — |
| 1988 | 73° | 60° | 67° | — | — |
| 1987 | 83° | 55° | 69° | — | — |
| 1986 | 87° | 66° | 77° | — | — |
| 1985 | 68° | 59° | 64° | — | — |
| 1984 | 69° | 46° | 58° | — | — |
| 1983coldest | 64° | 39° | 52° | — | — |
| 1982 | 84° | 66° | 75° | — | — |
| 1981 | 72° | 52° | 62° | — | — |
| 1980 | 79° | 58° | 68° | — | — |
| 1979 | 74° | 51° | 62° | — | — |
| 1978 | 66° | 51° | 59° | 0.41" | — |
| 1977 | 90° | 60° | 75° | — | — |
| 1976 | 74° | 65° | 69° | 0.05" | — |
| 1975 | 76° | 59° | 67° | — | — |
| 1974warmest | 90° | 67° | 78° | — | — |
| 1973 | 74° | 45° | 59° | — | — |
| 1972 | 80° | 63° | 71° | 1.57" | — |
| 1971 | 80° | 55° | 68° | — | — |
54 years of data from PHILADELPHIA WSFO