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Philadelphia, PA Weather on July 12
Philadelphia hit 100°F on July 12, 2005
Philadelphia's hottest July 12 on record came in 2005 when temperatures soared to 100°F, a stark 13 degrees above the typical high of 87°F. The coldest reading for this date, 59°F in 1978, sits 11 degrees below the average low, showing the dramatic temperature swings possible in mid-summer. Across 54 years of records, this date has produced some of the most extreme thermal contrasts in the city's summer weather history.
What to Expect on July 12
Planning for July 12th in Philadelphia, PA? Stay hydrated and seek shade during peak afternoon hours.
Frequently Asked Questions
What was the warmest July 12 ever in Philadelphia?
The warmest July 12 in Philadelphia, PA reached 100°F in 2005. That is 13°F above the long-term average high of 87°F.
What was the coldest July 12 ever in Philadelphia?
The coldest July 12 in Philadelphia, PA dropped to 59°F in 1978. That is 11°F below the long-term average low of 70°F.
What is the average temperature on July 12 in Philadelphia?
On July 12, Philadelphia averages a high of 87°F and a low of 70°F based on 54 years of NOAA weather observations from PHILADELPHIA CITY.
How many years of weather data are available for July 12 in Philadelphia?
We have 54 years of weather records for July 12 in Philadelphia, PA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
July 12 Weather History in Philadelphia
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 92°F | 75°F | 0" | -- |
| 2024 | 91°F | 75°F | -- | -- |
| 2023 | 92°F | 71°F | 0" | -- |
| 2022 | 87°F | 70°F | 0" | -- |
| 2021 | 90°F | 73°F | 0" | -- |
| 2020 | 90°F | 73°F | 0.56" | -- |
| 2018 | 96°F | 72°F | 0" | -- |
| 2017 | 92°F | 76°F | 0" | -- |
| 2016 | 87°F | 66°F | 0" | -- |
| 2015 | 89°F | 71°F | 0" | -- |
| 2014 | 89°F | 72°F | 0" | -- |
| 2013 | 87°F | 72°F | 0" | -- |
| 2012 | 90°F | 73°F | 0" | -- |
| 2011 | 94°F | 79°F | 0" | -- |
| 2010 | 91°F | 74°F | 0" | -- |
| 2009 | 85°F | 67°F | 0" | -- |
| 2008 | 91°F | 71°F | 0" | -- |
| 2007 | 81°F | 68°F | 0.03" | -- |
| 2006 | 96°F | 76°F | 0.25" | -- |
| 2005 | 100°F | 74°F | 0" | -- |
| 2004 | 79°F | 70°F | 12.95" | -- |
| 2003 | 88°F | 72°F | 0" | -- |
| 2002 | 87°F | 62°F | 0" | -- |
| 2001 | 82°F | 65°F | 0" | -- |
| 2000 | 87°F | 65°F | 0" | -- |
| 1999 | 81°F | 67°F | 0.03" | -- |
| 1998 | 91°F | 68°F | 0" | -- |
| 1997 | 93°F | 71°F | 0" | -- |
| 1996 | 76°F | 68°F | 0" | -- |
| 1995 | 87°F | 63°F | 0.03" | -- |
| 1994 | 87°F | 69°F | 0" | -- |
| 1993 | 90°F | 77°F | -- | -- |
| 1992 | 84°F | 73°F | -- | -- |
| 1991 | 89°F | 70°F | -- | -- |
| 1990 | 72°F | 62°F | -- | -- |
| 1989 | 79°F | 73°F | -- | -- |
| 1988 | 80°F | 74°F | -- | -- |
| 1987 | 94°F | 72°F | -- | -- |
| 1986 | 89°F | 68°F | -- | -- |
| 1985 | 83°F | 72°F | -- | -- |
| 1984 | 89°F | 74°F | -- | -- |
| 1983 | 93°F | 70°F | -- | -- |
| 1982 | 89°F | 74°F | -- | -- |
| 1981 | 94°F | 76°F | -- | -- |
| 1980 | 86°F | 72°F | -- | -- |
| 1979 | 88°F | 69°F | -- | -- |
| 1978 | 81°F | 59°F | 0" | -- |
| 1977 | 84°F | 70°F | 1.17" | -- |
| 1976 | 80°F | 67°F | 0.28" | -- |
| 1975 | 77°F | 70°F | 0.64" | -- |
| 1974 | 81°F | 62°F | 0" | -- |
| 1973 | 76°F | 61°F | 0" | -- |
| 1972 | 86°F | 70°F | 0" | -- |
| 1971 | 82°F | 62°F | -- | -- |
Based on 54 years of data from NOAA station: PHILADELPHIA CITY
How Has July 12 Changed?
The last decade has been 4.0°F warmer on this date compared to 20-30 years ago.
Monthly Climate Averages
Historical temperature and precipitation averages for Philadelphia, PA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.