Weather on June 21
Philadelphia, PA
55 Years of Data
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 55 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 25% of June 21st dates historically, with the wettest June 21st recording 0.88" of rain. The last decade has been 3.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.1°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.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 86° | 69° | 78° | — | — |
| 2025 | 86° | 74° | 80° | — | — |
| 2024 | 93° | 74° | 83° | — | — |
| 2023 | 80° | 63° | 71° | — | — |
| 2022 | 83° | 67° | 75° | — | — |
| 2021 | 91° | 68° | 80° | — | — |
| 2019 | 88° | 71° | 79° | 0.45" | — |
| 2018 | 89° | 70° | 79° | 0.21" | — |
| 2017 | 88° | 72° | 80° | — | — |
| 2016 | 94° | 69° | 81° | — | — |
| 2015 | 85° | 71° | 78° | 0.7" | — |
| 2014 | 84° | 67° | 75° | — | — |
| 2013 | 83° | 64° | 73° | — | — |
| 2012 | 85° | 69° | 77° | — | — |
| 2011 | 85° | 69° | 77° | 0.1" | — |
| 2010 | 94° | 74° | 84° | — | — |
| 2009 | 80° | 65° | 72° | 0.09" | — |
| 2008 | 89° | 71° | 80° | — | — |
| 2007 | 82° | 63° | 72° | — | — |
| 2006 | 92° | 76° | 84° | — | — |
| 2005 | 90° | 62° | 76° | — | — |
| 2004 | 83° | 63° | 73° | — | — |
| 2003 | 67° | 63° | 65° | 0.02" | — |
| 2002 | 88° | 66° | 77° | — | — |
| 2001 | 84° | 72° | 78° | 0.01" | — |
| 2000 | 83° | 68° | 75° | 0.6" | — |
| 1999 | 67° | 59° | 63° | 0.1" | — |
| 1998 | 93° | 74° | 83° | — | — |
| 1997warmest | 96° | 75° | 86° | — | — |
| 1996 | 88° | 71° | 79° | 0.06" | — |
| 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° | 0.38" | — |
| 1977 | 76° | 65° | 70° | — | — |
| 1976 | 84° | 72° | 78° | — | — |
| 1975 | 83° | 64° | 73° | — | — |
| 1974 | 84° | 69° | 77° | 0.41" | — |
| 1973 | 85° | 71° | 78° | 0.58" | — |
| 1972 | 78° | 70° | 74° | 0.88" | — |
| 1971 | 86° | 70° | 78° | — | — |
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
Most pleasant months in Philadelphia, PA: April, May, September, October.
What to expect on June 21st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
June 21st outlook →