Weather on April 1
Allentown, PA
55 Years of Data
Avg High
58°F
Avg Low
37°F
Warmest
2016
70°F avg
Coldest
2003
33°F avg
About This Date
April 1st in Allentown, PA typically brings cool spring weather, with average highs around 58°F and lows near 37°F. Over 56 years of records, the warmest April 1st was in 2016 (70°F average), while the coldest was 2003 (33°F) — a 37°F range across recorded history. Precipitation has occurred on 52% of recorded April 1st dates, with snow falling 2% of the time (heaviest snowfall: 1.3"). The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.1°F warmer on this date compared to 20-30 years ago.
Planning for April 1st in Allentown, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 77° | 50° | 64° | 0.1" | — |
| 2025 | 53° | 32° | 43° | — | — |
| 2024 | 50° | 44° | 47° | 1.14" | — |
| 2023 | 73° | 47° | 60° | 1.19" | — |
| 2022 | 56° | 39° | 47° | 0.15" | — |
| 2021 | 49° | 31° | 40° | 0.05" | — |
| 2020 | 57° | 40° | 48° | — | — |
| 2019 | 48° | 30° | 39° | — | — |
| 2018 | 61° | 37° | 49° | — | — |
| 2017 | 52° | 37° | 44° | — | — |
| 2016warmest | 80° | 60° | 70° | 0.03" | — |
| 2015 | 51° | 29° | 40° | — | — |
| 2014 | 62° | 26° | 44° | — | — |
| 2013 | 60° | 32° | 46° | — | — |
| 2012 | 53° | 41° | 47° | 0.69" | — |
| 2011 | 48° | 33° | 41° | 0.61" | — |
| 2010 | 74° | 36° | 55° | — | — |
| 2009 | 49° | 39° | 44° | 0.74" | — |
| 2008 | 70° | 44° | 57° | 0.36" | — |
| 2007 | 48° | 40° | 44° | 0.46" | — |
| 2006 | 72° | 50° | 61° | 0.08" | — |
| 2005 | 64° | 42° | 53° | 0.03" | — |
| 2004 | 56° | 43° | 49° | 0.13" | — |
| 2003coldest | 45° | 21° | 33° | 0.3" | — |
| 2002 | 56° | 37° | 46° | 0.03" | — |
| 2001 | 46° | 32° | 39° | — | — |
| 2000 | 64° | 27° | 45° | — | — |
| 1999 | 56° | 38° | 47° | 0.28" | — |
| 1998 | 73° | 58° | 65° | 2.01" | — |
| 1997 | 47° | 32° | 39° | 0.05" | 1.3" |
| 1996 | 49° | 39° | 44° | 3.15" | — |
| 1995 | 53° | 30° | 42° | — | — |
| 1994 | 59° | 35° | 47° | — | — |
| 1993 | 47° | 40° | 43° | 4.19" | — |
| 1992 | 55° | 29° | 42° | 0.08" | — |
| 1991 | 49° | 32° | 40° | 0.13" | — |
| 1990 | 45° | 41° | 43° | 0.13" | — |
| 1989 | 47° | 33° | 40° | — | — |
| 1988 | 56° | 45° | 50° | 0.1" | — |
| 1987 | 44° | 25° | 34° | — | — |
| 1986 | 76° | 39° | 57° | — | — |
| 1985 | 51° | 37° | 44° | — | — |
| 1984 | 55° | 29° | 42° | — | — |
| 1983 | 60° | 27° | 43° | — | — |
| 1982 | 63° | 43° | 53° | — | — |
| 1981 | 69° | 48° | 59° | 0.94" | — |
| 1980 | 52° | 33° | 42° | 0.03" | — |
| 1979 | 65° | 46° | 55° | — | — |
| 1978 | 84° | 44° | 64° | — | — |
| 1977 | 58° | 40° | 49° | — | — |
| 1976 | 56° | 42° | 49° | 4.09" | — |
| 1975 | 65° | 30° | 47° | — | — |
| 1974 | 50° | 40° | 45° | — | — |
| 1973 | 52° | 47° | 49° | 2.67" | — |
| 1972 | 60° | 30° | 45° | — | — |
| 1971 | 61° | 27° | 44° | — | — |
56 years of data from ALLENTOWN LEHIGH VLY INTL AP