Weather on April 11
Allentown, PA
55 Years of Data
Avg High
60°F
Avg Low
37°F
Warmest
2011
68°F avg
Coldest
1999
37°F avg
About This Date
April 11th in Allentown, PA typically brings mild spring weather, with average highs around 60°F and lows near 37°F. Over 55 years of records, the warmest April 11th was in 2011 (68°F average), while the coldest was 1999 (37°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 40% of April 11th dates historically, with the wettest April 11th recording 1.17" of rain. The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.7°F warmer on this date compared to 20-30 years ago.
Planning for April 11th in Allentown, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 45° | 39° | 42° | 0.66" | — |
| 2024 | 71° | 52° | 61° | 0.69" | — |
| 2023 | 73° | 34° | 53° | — | — |
| 2022 | 63° | 30° | 47° | — | — |
| 2021 | 61° | 50° | 55° | 1.17" | — |
| 2020 | 57° | 35° | 46° | — | — |
| 2019 | 57° | 39° | 48° | — | — |
| 2018 | 53° | 24° | 39° | — | — |
| 2017 | 85° | 45° | 65° | — | — |
| 2016 | 61° | 42° | 51° | 0.05" | — |
| 2015 | 58° | 38° | 48° | — | — |
| 2014 | 71° | 43° | 57° | 0.2" | — |
| 2013 | 63° | 49° | 56° | — | — |
| 2012 | 51° | 29° | 40° | 0.1" | — |
| 2011warmest | 84° | 51° | 68° | 0.46" | — |
| 2010 | 72° | 37° | 54° | — | — |
| 2009 | 54° | 36° | 45° | 0.33" | — |
| 2008 | 72° | 52° | 62° | 0.97" | — |
| 2007 | 54° | 24° | 39° | 0.05" | — |
| 2006 | 72° | 35° | 53° | — | — |
| 2005 | 64° | 43° | 53° | — | — |
| 2004 | 49° | 38° | 43° | 0.03" | — |
| 2003 | 47° | 38° | 42° | 0.91" | — |
| 2002 | 64° | 37° | 51° | — | — |
| 2001 | 52° | 47° | 49° | 0.86" | — |
| 2000 | 43° | 35° | 39° | 0.2" | — |
| 1999coldest | 41° | 32° | 37° | 0.61" | — |
| 1998 | 61° | 32° | 46° | — | — |
| 1997 | 52° | 27° | 39° | — | — |
| 1996 | 65° | 38° | 51° | — | — |
| 1995 | 59° | 35° | 47° | — | — |
| 1994 | 65° | 41° | 53° | — | — |
| 1993 | 52° | 40° | 46° | — | — |
| 1992 | 54° | 42° | 48° | 0.18" | — |
| 1991 | 58° | 39° | 48° | — | — |
| 1990 | 63° | 32° | 47° | 0.2" | — |
| 1989 | 49° | 27° | 38° | — | — |
| 1988 | 64° | 36° | 50° | — | — |
| 1987 | 74° | 36° | 55° | 0.43" | — |
| 1986 | 45° | 34° | 39° | — | — |
| 1985 | 55° | 33° | 44° | — | — |
| 1984 | 63° | 33° | 48° | — | — |
| 1983 | 53° | 40° | 46° | — | — |
| 1982 | 50° | 30° | 40° | — | — |
| 1981 | 71° | 45° | 58° | 0.43" | — |
| 1980 | 62° | 43° | 52° | — | — |
| 1979 | 62° | 33° | 48° | — | — |
| 1978 | 64° | 45° | 54° | 0.28" | — |
| 1977 | 74° | 42° | 58° | — | — |
| 1976 | 56° | 28° | 42° | 0.03" | — |
| 1975 | 55° | 28° | 42° | — | — |
| 1974 | 62° | 33° | 48° | — | — |
| 1973 | 45° | 33° | 39° | — | — |
| 1972 | 64° | 37° | 51° | 0.15" | — |
| 1971 | 66° | 33° | 50° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP