Weather on June 23
Allentown, PA
55 Years of Data
Avg High
82°F
Avg Low
61°F
Warmest
2025
85°F avg
Coldest
1972
54°F avg
About This Date
June 23rd in Allentown, PA typically brings warm summer weather, with average highs around 82°F and lows near 61°F. Over 55 years of records, the warmest June 23rd was in 2025 (85°F average), while the coldest was 1972 (54°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 35% of June 23rd dates historically, with the wettest June 23rd recording 5.23" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.
Planning for June 23rd in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 97° | 73° | 85° | — | — |
| 2024 | 96° | 71° | 84° | — | — |
| 2023 | 68° | 64° | 66° | 0.48" | — |
| 2022 | 67° | 55° | 61° | 1.24" | — |
| 2021 | 75° | 46° | 61° | — | — |
| 2020 | 91° | 65° | 78° | 0.2" | — |
| 2019 | 84° | 53° | 69° | — | — |
| 2018 | 72° | 64° | 68° | 0.05" | — |
| 2017 | 87° | 71° | 79° | 2.41" | — |
| 2016 | 83° | 63° | 73° | 0.03" | — |
| 2015 | 89° | 66° | 78° | 0.03" | — |
| 2014 | 82° | 58° | 70° | — | — |
| 2013 | 88° | 63° | 75° | — | — |
| 2012 | 84° | 62° | 73° | — | — |
| 2011 | 81° | 66° | 73° | 5.23" | — |
| 2010 | 90° | 66° | 78° | — | — |
| 2009 | 81° | 59° | 70° | — | — |
| 2008 | 85° | 61° | 73° | 0.91" | — |
| 2007 | 75° | 49° | 62° | — | — |
| 2006 | 84° | 66° | 75° | 0.03" | — |
| 2005 | 81° | 50° | 65° | — | — |
| 2004 | 82° | 63° | 72° | — | — |
| 2003 | 89° | 56° | 72° | — | — |
| 2002 | 86° | 63° | 74° | — | — |
| 2001 | 81° | 60° | 70° | 0.2" | — |
| 2000 | 81° | 61° | 71° | — | — |
| 1999 | 87° | 52° | 69° | — | — |
| 1998 | 79° | 68° | 73° | 0.53" | — |
| 1997 | 87° | 62° | 75° | — | — |
| 1996 | 80° | 60° | 70° | — | — |
| 1995 | 74° | 60° | 67° | 0.2" | — |
| 1994 | 90° | 60° | 75° | — | — |
| 1993 | 80° | 60° | 70° | — | — |
| 1992 | 74° | 46° | 60° | — | — |
| 1991 | 74° | 59° | 66° | 0.48" | — |
| 1990 | 82° | 68° | 75° | — | — |
| 1989 | 84° | 68° | 76° | 0.46" | — |
| 1988 | 84° | 59° | 72° | — | — |
| 1987 | 82° | 67° | 74° | — | — |
| 1986 | 89° | 63° | 76° | — | — |
| 1985 | 84° | 64° | 74° | 0.36" | — |
| 1984 | 79° | 61° | 70° | — | — |
| 1983 | 86° | 57° | 72° | — | — |
| 1982 | 73° | 55° | 64° | — | — |
| 1981 | 79° | 64° | 71° | — | — |
| 1980 | 89° | 59° | 74° | — | — |
| 1979 | 83° | 57° | 70° | — | — |
| 1978 | 83° | 59° | 71° | — | — |
| 1977 | 79° | 52° | 65° | — | — |
| 1976 | 86° | 70° | 78° | — | — |
| 1975 | 88° | 62° | 75° | — | — |
| 1974 | 69° | 54° | 61° | 2.62" | — |
| 1973 | 83° | 63° | 73° | 1.12" | — |
| 1972coldest | 57° | 50° | 54° | 1.35" | — |
| 1971 | 85° | 58° | 71° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP