Weather on May 9
Philadelphia, PA
55 Years of Data
About This Date
May 9th in Philadelphia, PA typically brings pleasant spring weather, with average highs around 71°F and lows near 53°F. Over 54 years of records, the warmest May 9th was in 2000 (82°F average), while the coldest was 1977 (43°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 22% of May 9th dates historically, with the wettest May 9th recording 3.02" 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 May 9th in Philadelphia, PA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 59° | 71° | — | — |
| 2024 | 88° | 64° | 76° | — | — |
| 2023 | 79° | 60° | 69° | — | — |
| 2022 | 60° | 48° | 54° | — | — |
| 2021 | 68° | 47° | 57° | — | — |
| 2019 | 70° | 56° | 63° | — | — |
| 2018 | 78° | 56° | 67° | — | — |
| 2017 | 61° | 46° | 53° | — | — |
| 2016 | 70° | 51° | 60° | — | — |
| 2015 | 85° | 62° | 73° | — | — |
| 2014 | 70° | 55° | 62° | — | — |
| 2013 | 75° | 58° | 66° | 1.45" | — |
| 2012 | 75° | 63° | 69° | 0.97" | — |
| 2011 | 73° | 54° | 63° | — | — |
| 2010 | 78° | 46° | 62° | — | — |
| 2009 | 84° | 56° | 70° | — | — |
| 2008 | 55° | 48° | 52° | 0.56" | — |
| 2007 | 78° | 57° | 68° | — | — |
| 2006 | 76° | 56° | 66° | — | — |
| 2005 | 80° | 53° | 67° | — | — |
| 2004 | 82° | 52° | 67° | 0.69" | — |
| 2003 | 60° | 56° | 58° | 0.13" | — |
| 2002 | 61° | 52° | 56° | 0.1" | — |
| 2001 | 79° | 55° | 67° | — | — |
| 2000warmest | 92° | 72° | 82° | — | — |
| 1999 | 77° | 59° | 68° | — | — |
| 1998 | 64° | 58° | 61° | 1.7" | — |
| 1997 | 62° | 49° | 55° | — | — |
| 1996 | 56° | 51° | 53° | 1.07" | — |
| 1995 | 70° | 46° | 58° | — | — |
| 1994 | 62° | 52° | 57° | — | — |
| 1993 | 81° | 56° | 68° | — | — |
| 1992 | 66° | 53° | 60° | — | — |
| 1991 | 66° | 56° | 61° | — | — |
| 1990 | 80° | 62° | 71° | — | — |
| 1989 | 69° | 48° | 59° | — | — |
| 1988 | 71° | 47° | 59° | — | — |
| 1987 | 77° | 54° | 65° | — | — |
| 1986 | 69° | 47° | 58° | — | — |
| 1985 | 74° | 50° | 62° | — | — |
| 1984 | 66° | 52° | 59° | — | — |
| 1983 | 58° | 44° | 51° | — | — |
| 1982 | 68° | 55° | 62° | — | — |
| 1981 | 74° | 47° | 60° | — | — |
| 1980 | 60° | 46° | 53° | — | — |
| 1979 | 86° | 62° | 74° | — | — |
| 1978 | 73° | 56° | 64° | 2.01" | — |
| 1977coldest | 47° | 39° | 43° | 0.15" | — |
| 1976 | 69° | 49° | 59° | — | — |
| 1975 | 76° | 54° | 65° | — | — |
| 1974 | 70° | 51° | 60° | 1.14" | — |
| 1973 | 78° | 59° | 69° | — | — |
| 1972 | 53° | 46° | 50° | 3.02" | — |
| 1971 | 56° | 50° | 53° | — | — |
Philadelphia, PA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Philadelphia, PA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Philadelphia, PA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Philadelphia, PA
Philadelphia, PA has no months that meet our "pleasant" threshold — every season has tradeoffs.