Weather on June 30
Allentown, PA
55 Years of Data
Avg High
83°F
Avg Low
63°F
Warmest
2021
85°F avg
Coldest
1988
61°F avg
About This Date
June 30th in Allentown, PA typically brings warm summer weather, with average highs around 83°F and lows near 63°F. Over 55 years of records, the warmest June 30th was in 2021 (85°F average), while the coldest was 1988 (61°F) — a 24°F range across recorded history. Rain or other precipitation has occurred on about 31% of June 30th dates historically, with the wettest June 30th recording 3.33" of rain. The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.8°F warmer on this date compared to 20-30 years ago.
Planning for June 30th in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 67° | 78° | 0.53" | — |
| 2024 | 90° | 65° | 77° | 0.71" | — |
| 2023 | 83° | 58° | 70° | — | — |
| 2022 | 87° | 57° | 72° | — | — |
| 2021warmest | 96° | 73° | 85° | — | — |
| 2020 | 80° | 62° | 71° | 0.36" | — |
| 2019 | 84° | 63° | 73° | — | — |
| 2018 | 93° | 65° | 79° | — | — |
| 2017 | 92° | 68° | 80° | 1.42" | — |
| 2016 | 86° | 58° | 72° | — | — |
| 2015 | 78° | 61° | 69° | 1.32" | — |
| 2014 | 86° | 67° | 76° | — | — |
| 2013 | 83° | 68° | 75° | 0.05" | — |
| 2012 | 93° | 68° | 81° | — | — |
| 2011 | 81° | 58° | 69° | — | — |
| 2010 | 77° | 54° | 65° | — | — |
| 2009 | 83° | 61° | 72° | 1.19" | — |
| 2008 | 81° | 63° | 72° | — | — |
| 2007 | 81° | 57° | 69° | — | — |
| 2006 | 79° | 58° | 68° | 0.58" | — |
| 2005 | 88° | 69° | 78° | — | — |
| 2004 | 82° | 55° | 69° | — | — |
| 2003 | 84° | 63° | 73° | — | — |
| 2002 | 87° | 62° | 75° | — | — |
| 2001 | 90° | 68° | 79° | — | — |
| 2000 | 78° | 55° | 67° | — | — |
| 1999 | 77° | 63° | 70° | — | — |
| 1998 | 83° | 61° | 72° | 0.94" | — |
| 1997 | 87° | 57° | 72° | — | — |
| 1996 | 67° | 61° | 64° | 3.33" | — |
| 1995 | 84° | 61° | 72° | — | — |
| 1994 | 86° | 68° | 77° | 0.33" | — |
| 1993 | 84° | 67° | 75° | — | — |
| 1992 | 87° | 68° | 78° | — | — |
| 1991 | 91° | 70° | 80° | 0.05" | — |
| 1990 | 88° | 68° | 78° | — | — |
| 1989 | 80° | 50° | 65° | — | — |
| 1988coldest | 73° | 48° | 61° | — | — |
| 1987 | 90° | 69° | 79° | — | — |
| 1986 | 74° | 57° | 65° | — | — |
| 1985 | 77° | 62° | 70° | — | — |
| 1984 | 75° | 67° | 71° | 0.51" | — |
| 1983 | 80° | 56° | 68° | — | — |
| 1982 | 80° | 60° | 70° | — | — |
| 1981 | 82° | 66° | 74° | — | — |
| 1980 | 78° | 63° | 70° | — | — |
| 1979 | 80° | 66° | 73° | 0.13" | — |
| 1978 | 86° | 63° | 74° | — | — |
| 1977 | 85° | 62° | 73° | — | — |
| 1976 | 88° | 68° | 78° | 1.07" | — |
| 1975 | 80° | 63° | 71° | — | — |
| 1974 | 80° | 57° | 69° | 1.78" | — |
| 1973 | 84° | 65° | 74° | — | — |
| 1972 | 80° | 66° | 73° | 0.03" | — |
| 1971 | 90° | 70° | 80° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP