Weather on May 4
Allentown, PA
55 Years of Data
Avg High
66°F
Avg Low
46°F
Warmest
2001
75°F avg
Coldest
1976
44°F avg
About This Date
May 4th in Allentown, PA typically brings mild spring weather, with average highs around 66°F and lows near 46°F. Over 55 years of records, the warmest May 4th was in 2001 (75°F average), while the coldest was 1976 (44°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 49% of May 4th dates historically, with the wettest May 4th recording 2.9" 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 May 4th in Allentown, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 70° | 63° | 66° | 0.23" | — |
| 2024 | 56° | 46° | 51° | 0.79" | — |
| 2023 | 58° | 43° | 50° | 0.03" | — |
| 2022 | 63° | 49° | 56° | 0.3" | — |
| 2021 | 80° | 54° | 67° | 0.18" | — |
| 2020 | 72° | 49° | 60° | — | — |
| 2019 | 77° | 57° | 67° | 2.9" | — |
| 2018 | 85° | 63° | 74° | 0.08" | — |
| 2017 | 66° | 36° | 51° | 0.03" | — |
| 2016 | 54° | 49° | 51° | 0.97" | — |
| 2015 | 85° | 47° | 66° | — | — |
| 2014 | 61° | 46° | 53° | — | — |
| 2013 | 71° | 39° | 55° | — | — |
| 2012 | 82° | 57° | 70° | 0.03" | — |
| 2011 | 64° | 46° | 55° | 1.07" | — |
| 2010 | 77° | 52° | 64° | 0.25" | — |
| 2009 | 57° | 51° | 54° | 1.55" | — |
| 2008 | 70° | 48° | 59° | 0.13" | — |
| 2007 | 69° | 37° | 53° | — | — |
| 2006 | 81° | 46° | 63° | — | — |
| 2005 | 59° | 36° | 47° | — | — |
| 2004 | 59° | 36° | 47° | — | — |
| 2003 | 66° | 41° | 54° | — | — |
| 2002 | 65° | 31° | 48° | — | — |
| 2001warmest | 92° | 59° | 75° | — | — |
| 2000 | 75° | 46° | 61° | — | — |
| 1999 | 61° | 52° | 56° | — | — |
| 1998 | 67° | 58° | 62° | 0.25" | — |
| 1997 | 61° | 44° | 52° | — | — |
| 1996 | 62° | 55° | 59° | 0.03" | — |
| 1995 | 71° | 43° | 57° | 0.23" | — |
| 1994 | 60° | 49° | 54° | — | — |
| 1993 | 66° | 52° | 59° | — | — |
| 1992 | 56° | 45° | 50° | — | — |
| 1991 | 70° | 41° | 55° | — | — |
| 1990 | 55° | 48° | 52° | 1.68" | — |
| 1989 | 67° | 37° | 52° | — | — |
| 1988 | 60° | 44° | 52° | 0.1" | — |
| 1987 | 49° | 43° | 46° | 0.61" | — |
| 1986 | 64° | 35° | 50° | — | — |
| 1985 | 70° | 38° | 54° | — | — |
| 1984 | 70° | 53° | 61° | 1.78" | — |
| 1983 | 62° | 45° | 53° | 0.23" | — |
| 1982 | 71° | 44° | 58° | — | — |
| 1981 | 81° | 41° | 61° | — | — |
| 1980 | 76° | 55° | 65° | — | — |
| 1979 | 68° | 48° | 58° | 0.05" | — |
| 1978 | 57° | 35° | 46° | 0.33" | — |
| 1977 | 57° | 42° | 50° | 1.42" | — |
| 1976coldest | 52° | 37° | 44° | — | — |
| 1975 | 60° | 49° | 54° | 2.01" | — |
| 1974 | 57° | 42° | 50° | — | — |
| 1973 | 53° | 42° | 48° | — | — |
| 1972 | 62° | 53° | 58° | 0.89" | — |
| 1971 | 63° | 43° | 53° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP