Weather on May 11
Allentown, PA
55 Years of Data
Avg High
72°F
Avg Low
48°F
Warmest
2015
77°F avg
Coldest
2010
44°F avg
About This Date
May 11th in Allentown, PA typically brings pleasant spring weather, with average highs around 72°F and lows near 48°F. Over 55 years of records, the warmest May 11th was in 2015 (77°F average), while the coldest was 2010 (44°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 27% of May 11th dates historically, with the wettest May 11th recording 4.65" of rain. The last decade has been 5.9°F cooler on this date compared to 20-30 years ago.
The last decade has been 5.9°F cooler on this date compared to 20-30 years ago.
Planning for May 11th in Allentown, PA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 76° | 43° | 59° | — | — |
| 2024 | 62° | 40° | 51° | — | — |
| 2023 | 79° | 43° | 61° | — | — |
| 2022 | 76° | 42° | 59° | — | — |
| 2021 | 63° | 39° | 51° | — | — |
| 2020 | 61° | 41° | 51° | 0.05" | — |
| 2019 | 71° | 56° | 63° | 0.1" | — |
| 2018 | 74° | 55° | 64° | — | — |
| 2017 | 61° | 43° | 52° | — | — |
| 2016 | 71° | 42° | 57° | — | — |
| 2015warmest | 87° | 66° | 77° | — | — |
| 2014 | 79° | 53° | 66° | — | — |
| 2013 | 72° | 56° | 64° | 0.79" | — |
| 2012 | 71° | 38° | 54° | — | — |
| 2011 | 74° | 44° | 59° | — | — |
| 2010coldest | 56° | 32° | 44° | 0.64" | — |
| 2009 | 64° | 42° | 53° | — | — |
| 2008 | 64° | 38° | 51° | — | — |
| 2007 | 83° | 63° | 73° | — | — |
| 2006 | 65° | 56° | 60° | 0.86" | — |
| 2005 | 84° | 50° | 67° | — | — |
| 2004 | 85° | 60° | 72° | — | — |
| 2003 | 73° | 57° | 65° | 0.08" | — |
| 2002 | 68° | 45° | 56° | — | — |
| 2001 | 87° | 50° | 69° | — | — |
| 2000 | 74° | 52° | 63° | — | — |
| 1999 | 73° | 46° | 60° | — | — |
| 1998 | 59° | 51° | 55° | 1.85" | — |
| 1997 | 66° | 41° | 54° | — | — |
| 1996 | 82° | 50° | 66° | 1.85" | — |
| 1995 | 64° | 51° | 58° | 0.3" | — |
| 1994 | 71° | 38° | 54° | — | — |
| 1993 | 90° | 57° | 73° | — | — |
| 1992 | 72° | 51° | 61° | — | — |
| 1991 | 75° | 46° | 61° | — | — |
| 1990 | 62° | 46° | 54° | — | — |
| 1989 | 50° | 45° | 47° | 0.33" | — |
| 1988 | 70° | 49° | 59° | 0.25" | — |
| 1987 | 85° | 55° | 70° | — | — |
| 1986 | 73° | 42° | 58° | — | — |
| 1985 | 88° | 57° | 72° | — | — |
| 1984 | 76° | 43° | 59° | — | — |
| 1983 | 62° | 37° | 50° | — | — |
| 1982 | 76° | 48° | 62° | — | — |
| 1981 | 63° | 60° | 61° | 4.65" | — |
| 1980 | 62° | 52° | 57° | 0.25" | — |
| 1979 | 84° | 61° | 72° | — | — |
| 1978 | 73° | 47° | 60° | — | — |
| 1977 | 68° | 40° | 54° | — | — |
| 1976 | 71° | 53° | 62° | 1.35" | — |
| 1975 | 75° | 44° | 60° | — | — |
| 1974 | 68° | 39° | 54° | — | — |
| 1973 | 72° | 51° | 61° | 0.08" | — |
| 1972 | 72° | 36° | 54° | — | — |
| 1971 | 79° | 45° | 62° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP