Weather on June 25
Allentown, PA
55 Years of Data
Avg High
84°F
Avg Low
61°F
Warmest
2025
84°F avg
Coldest
1974
59°F avg
About This Date
June 25th in Allentown, PA typically brings warm summer weather, with average highs around 84°F and lows near 61°F. Over 55 years of records, the warmest June 25th was in 2025 (84°F average), while the coldest was 1974 (59°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 27% of June 25th dates historically, with the wettest June 25th recording 2.49" of rain. The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.0°F cooler on this date compared to 20-30 years ago.
Planning for June 25th in Allentown, PA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 96° | 72° | 84° | 0.08" | — |
| 2024 | 89° | 59° | 74° | — | — |
| 2023 | 86° | 63° | 74° | 0.23" | — |
| 2022 | 88° | 61° | 74° | — | — |
| 2021 | 81° | 49° | 65° | — | — |
| 2020 | 85° | 58° | 71° | — | — |
| 2019 | 88° | 68° | 78° | 0.74" | — |
| 2018 | 83° | 59° | 71° | — | — |
| 2017 | 83° | 60° | 71° | — | — |
| 2016 | 88° | 60° | 74° | — | — |
| 2015 | 81° | 57° | 69° | — | — |
| 2014 | 89° | 69° | 79° | 2.49" | — |
| 2013 | 91° | 64° | 78° | — | — |
| 2012 | 79° | 59° | 69° | 0.46" | — |
| 2011 | 81° | 63° | 72° | — | — |
| 2010 | 86° | 65° | 75° | — | — |
| 2009 | 87° | 65° | 76° | — | — |
| 2008 | 84° | 53° | 69° | — | — |
| 2007 | 79° | 59° | 69° | 0.03" | — |
| 2006 | 74° | 70° | 72° | 1.45" | — |
| 2005 | 93° | 60° | 77° | — | — |
| 2004 | 82° | 63° | 72° | 1.65" | — |
| 2003 | 91° | 61° | 76° | — | — |
| 2002 | 89° | 69° | 79° | — | — |
| 2001 | 82° | 55° | 69° | — | — |
| 2000 | 91° | 67° | 79° | 1.45" | — |
| 1999 | 84° | 54° | 69° | — | — |
| 1998 | 91° | 65° | 78° | — | — |
| 1997 | 94° | 64° | 79° | — | — |
| 1996 | 81° | 55° | 68° | — | — |
| 1995 | 86° | 67° | 76° | — | — |
| 1994 | 86° | 66° | 76° | 0.15" | — |
| 1993 | 86° | 54° | 70° | — | — |
| 1992 | 76° | 57° | 66° | — | — |
| 1991 | 84° | 56° | 70° | — | — |
| 1990 | 75° | 62° | 69° | — | — |
| 1989 | 86° | 68° | 77° | — | — |
| 1988 | 81° | 57° | 69° | — | — |
| 1987 | 91° | 63° | 77° | — | — |
| 1986 | 73° | 53° | 63° | — | — |
| 1985 | 78° | 56° | 67° | — | — |
| 1984 | 81° | 59° | 70° | 0.28" | — |
| 1983 | 81° | 61° | 71° | — | — |
| 1982 | 81° | 51° | 66° | — | — |
| 1981 | 86° | 64° | 75° | 1.63" | — |
| 1980 | 88° | 65° | 76° | — | — |
| 1979 | 76° | 46° | 61° | — | — |
| 1978 | 84° | 56° | 70° | — | — |
| 1977 | 76° | 67° | 71° | 1.93" | — |
| 1976 | 88° | 74° | 81° | — | — |
| 1975 | 81° | 69° | 75° | — | — |
| 1974coldest | 62° | 56° | 59° | 0.08" | — |
| 1973 | 81° | 65° | 73° | — | — |
| 1972 | 67° | 56° | 61° | 0.56" | — |
| 1971 | 90° | 65° | 77° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP