Weather on June 21
Philadelphia, PA
55 Years of Data
Avg High
85°F
Avg Low
68°F
Warmest
1997
86°F avg
Coldest
1992
62°F avg
About This Date
June 21st in Philadelphia, PA typically brings warm summer weather, with average highs around 85°F and lows near 68°F. Over 54 years of records, the warmest June 21st was in 1997 (86°F average), while the coldest was 1992 (62°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 26% of June 21st dates historically, with the wettest June 21st recording 2.24" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Philadelphia, PA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 86° | 74° | 80° | — | — |
| 2024 | 93° | 74° | 83° | — | — |
| 2023 | 80° | 63° | 71° | — | — |
| 2022 | 83° | 67° | 75° | — | — |
| 2021 | 91° | 68° | 80° | — | — |
| 2019 | 88° | 71° | 79° | 1.14" | — |
| 2018 | 89° | 70° | 79° | 0.53" | — |
| 2017 | 88° | 72° | 80° | — | — |
| 2016 | 94° | 69° | 81° | — | — |
| 2015 | 85° | 71° | 78° | 1.78" | — |
| 2014 | 84° | 67° | 75° | — | — |
| 2013 | 83° | 64° | 73° | — | — |
| 2012 | 85° | 69° | 77° | — | — |
| 2011 | 85° | 69° | 77° | 0.25" | — |
| 2010 | 94° | 74° | 84° | — | — |
| 2009 | 80° | 65° | 72° | 0.23" | — |
| 2008 | 89° | 71° | 80° | — | — |
| 2007 | 82° | 63° | 72° | — | — |
| 2006 | 92° | 76° | 84° | — | — |
| 2005 | 90° | 62° | 76° | — | — |
| 2004 | 83° | 63° | 73° | — | — |
| 2003 | 67° | 63° | 65° | 0.05" | — |
| 2002 | 88° | 66° | 77° | — | — |
| 2001 | 84° | 72° | 78° | 0.03" | — |
| 2000 | 83° | 68° | 75° | 1.52" | — |
| 1999 | 67° | 59° | 63° | 0.25" | — |
| 1998 | 93° | 74° | 83° | — | — |
| 1997warmest | 96° | 75° | 86° | — | — |
| 1996 | 88° | 71° | 79° | 0.15" | — |
| 1995 | 96° | 72° | 84° | — | — |
| 1994 | 90° | 69° | 79° | — | — |
| 1993 | 86° | 69° | 78° | — | — |
| 1992coldest | 69° | 55° | 62° | — | — |
| 1991 | 93° | 75° | 84° | — | — |
| 1990 | 84° | 67° | 75° | — | — |
| 1989 | 87° | 70° | 78° | — | — |
| 1988 | 94° | 76° | 85° | — | — |
| 1987 | 81° | 72° | 76° | — | — |
| 1986 | 84° | 65° | 74° | — | — |
| 1985 | 81° | 60° | 70° | — | — |
| 1984 | 88° | 69° | 78° | — | — |
| 1983 | 72° | 63° | 67° | — | — |
| 1982 | 83° | 63° | 73° | — | — |
| 1981 | 86° | 68° | 77° | — | — |
| 1980 | 82° | 61° | 71° | — | — |
| 1979 | 80° | 61° | 70° | — | — |
| 1978 | 81° | 66° | 73° | 0.97" | — |
| 1977 | 76° | 65° | 70° | — | — |
| 1976 | 84° | 72° | 78° | — | — |
| 1975 | 83° | 64° | 73° | — | — |
| 1974 | 84° | 69° | 77° | 1.04" | — |
| 1973 | 85° | 71° | 78° | 1.47" | — |
| 1972 | 78° | 70° | 74° | 2.24" | — |
| 1971 | 86° | 70° | 78° | — | — |
54 years of data from PHILADELPHIA WSFO