Weather on August 11
Philadelphia, PA
55 Years of Data
About This Date
August 11th in Philadelphia, PA typically brings warm summer weather, with average highs around 87°F and lows near 70°F. Over 55 years of records, the warmest August 11th was in 2005 (88°F average), while the coldest was 1989 (66°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 16% of August 11th dates historically, with the wettest August 11th recording 3.56" 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 August 11th in Philadelphia, PA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 69° | 79° | — | — |
| 2024 | 89° | 71° | 80° | — | — |
| 2023 | 79° | 70° | 74° | — | — |
| 2022 | 93° | 73° | 83° | 1.63" | — |
| 2021 | 92° | 72° | 82° | — | — |
| 2020 | 96° | 76° | 86° | — | — |
| 2019 | 87° | 66° | 77° | — | — |
| 2018 | 93° | 75° | 84° | — | — |
| 2017 | 86° | 78° | 82° | — | — |
| 2016 | 93° | 76° | 84° | — | — |
| 2015 | 80° | 70° | 75° | 1.8" | — |
| 2014 | 91° | 69° | 80° | — | — |
| 2013 | 85° | 69° | 77° | — | — |
| 2012 | 83° | 70° | 76° | 3.05" | — |
| 2011 | 85° | 65° | 75° | — | — |
| 2010 | 96° | 78° | 87° | 0.03" | — |
| 2009 | 91° | 75° | 83° | — | — |
| 2008 | 75° | 62° | 69° | — | — |
| 2007 | 85° | 60° | 72° | — | — |
| 2006 | 82° | 64° | 73° | — | — |
| 2005warmest | 100° | 76° | 88° | — | — |
| 2004 | 89° | 75° | 82° | — | — |
| 2003 | 88° | 75° | 81° | — | — |
| 2002 | 95° | 70° | 82° | — | — |
| 2001 | 80° | 74° | 77° | 0.36" | — |
| 2000 | 86° | 69° | 78° | 0.28" | — |
| 1999 | 91° | 72° | 81° | — | — |
| 1998 | 89° | 73° | 81° | — | — |
| 1997 | 91° | 71° | 81° | — | — |
| 1996 | 82° | 61° | 71° | — | — |
| 1995 | 89° | 69° | 79° | — | — |
| 1994 | 83° | 63° | 73° | — | — |
| 1993 | 82° | 66° | 74° | — | — |
| 1992 | 91° | 68° | 80° | — | — |
| 1991 | 82° | 69° | 76° | — | — |
| 1990 | 86° | 71° | 79° | — | — |
| 1989coldest | 69° | 62° | 66° | — | — |
| 1988 | 92° | 76° | 84° | — | — |
| 1987 | 87° | 66° | 77° | — | — |
| 1986 | 83° | 75° | 79° | — | — |
| 1985 | 88° | 70° | 79° | — | — |
| 1984 | 85° | 73° | 79° | — | — |
| 1983 | 90° | 68° | 79° | — | — |
| 1982 | 77° | 61° | 69° | — | — |
| 1981 | 89° | 76° | 82° | — | — |
| 1980 | 93° | 73° | 83° | — | — |
| 1979 | 81° | 61° | 71° | — | — |
| 1978 | 84° | 69° | 77° | 3.56" | — |
| 1977 | 90° | 74° | 82° | 0.03" | — |
| 1976 | 87° | 68° | 78° | — | — |
| 1975 | 87° | 72° | 79° | — | — |
| 1974 | 82° | 59° | 71° | — | — |
| 1973 | 89° | 77° | 83° | 0.1" | — |
| 1972 | 80° | 58° | 69° | — | — |
| 1971 | 87° | 76° | 81° | — | — |
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
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