Weather on August 12
Philadelphia, PA
55 Years of Data
Avg High
86°F
Avg Low
70°F
Warmest
2005
90°F avg
Coldest
1979
59°F avg
About This Date
August 12th in Philadelphia, PA typically brings warm summer weather, with average highs around 86°F and lows near 70°F. Over 55 years of records, the warmest August 12th was in 2005 (90°F average), while the coldest was 1979 (59°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 27% of August 12th dates historically, with the wettest August 12th recording 3.78" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for August 12th in Philadelphia, PA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 72° | 81° | — | — |
| 2024 | 85° | 67° | 76° | — | — |
| 2023 | 89° | 71° | 80° | — | — |
| 2022 | 91° | 71° | 81° | — | — |
| 2021 | 96° | 75° | 86° | 0.13" | — |
| 2020 | 93° | 78° | 86° | — | — |
| 2019 | 85° | 68° | 76° | — | — |
| 2018 | 93° | 70° | 81° | 1.7" | — |
| 2017 | 86° | 72° | 79° | 0.33" | — |
| 2016 | 95° | 79° | 87° | 0.13" | — |
| 2015 | 84° | 70° | 77° | 1.6" | — |
| 2014 | 86° | 66° | 76° | — | — |
| 2013 | 86° | 73° | 80° | — | — |
| 2012 | 87° | 73° | 80° | 0.41" | — |
| 2011 | 86° | 68° | 77° | — | — |
| 2010 | 96° | 76° | 86° | 0.08" | — |
| 2009 | 86° | 72° | 79° | 0.53" | — |
| 2008 | 83° | 61° | 72° | 0.03" | — |
| 2007 | 88° | 70° | 79° | — | — |
| 2006 | 81° | 61° | 71° | — | — |
| 2005warmest | 100° | 80° | 90° | — | — |
| 2004 | 90° | 75° | 82° | 0.38" | — |
| 2003 | 91° | 75° | 83° | — | — |
| 2002 | 100° | 79° | 89° | — | — |
| 2001 | 80° | 74° | 77° | 0.43" | — |
| 2000 | 77° | 63° | 70° | 3.78" | — |
| 1999 | 95° | 73° | 84° | — | — |
| 1998 | 89° | 71° | 80° | — | — |
| 1997 | 86° | 73° | 80° | — | — |
| 1996 | 71° | 62° | 67° | — | — |
| 1995 | 92° | 73° | 82° | — | — |
| 1994 | 82° | 68° | 75° | 0.2" | — |
| 1993 | 83° | 68° | 75° | — | — |
| 1992 | 80° | 68° | 74° | — | — |
| 1991 | 83° | 69° | 76° | — | — |
| 1990 | 89° | 73° | 81° | — | — |
| 1989 | 73° | 65° | 69° | — | — |
| 1988 | 94° | 78° | 86° | — | — |
| 1987 | 83° | 67° | 75° | — | — |
| 1986 | 80° | 68° | 74° | — | — |
| 1985 | 87° | 66° | 77° | — | — |
| 1984 | 82° | 75° | 79° | — | — |
| 1983 | 78° | 62° | 70° | — | — |
| 1982 | 79° | 61° | 70° | — | — |
| 1981 | 76° | 69° | 72° | — | — |
| 1980 | 88° | 73° | 80° | — | — |
| 1979coldest | 62° | 56° | 59° | — | — |
| 1978 | 80° | 70° | 75° | 0.15" | — |
| 1977 | 82° | 75° | 79° | 0.15" | — |
| 1976 | 87° | 71° | 79° | — | — |
| 1975 | 88° | 72° | 80° | — | — |
| 1974 | 83° | 63° | 73° | — | — |
| 1973 | 89° | 75° | 82° | — | — |
| 1972 | 81° | 64° | 72° | — | — |
| 1971 | 81° | 66° | 73° | — | — |
55 years of data from PHILADELPHIA CITY