Weather on May 23
Allentown, PA
55 Years of Data
Avg High
75°F
Avg Low
53°F
Warmest
2004
78°F avg
Coldest
1982
51°F avg
About This Date
May 23rd in Allentown, PA typically brings pleasant spring weather, with average highs around 75°F and lows near 53°F. Over 55 years of records, the warmest May 23rd was in 2004 (78°F average), while the coldest was 1982 (51°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 47% of May 23rd dates historically, with the wettest May 23rd recording 4.29" of rain. The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.
Planning for May 23rd in Allentown, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 46° | 55° | 0.18" | — |
| 2024 | 79° | 64° | 71° | 1.7" | — |
| 2023 | 76° | 48° | 62° | — | — |
| 2022 | 74° | 53° | 63° | — | — |
| 2021 | 90° | 64° | 77° | — | — |
| 2020 | 74° | 58° | 66° | 1.85" | — |
| 2019 | 78° | 59° | 69° | 0.58" | — |
| 2018 | 80° | 57° | 69° | 2.06" | — |
| 2017 | 68° | 50° | 59° | — | — |
| 2016 | 80° | 49° | 64° | 0.03" | — |
| 2015 | 71° | 43° | 57° | — | — |
| 2014 | 72° | 52° | 62° | 0.97" | — |
| 2013 | 79° | 61° | 70° | 1.17" | — |
| 2012 | 80° | 65° | 72° | 0.89" | — |
| 2011 | 75° | 56° | 65° | 2.03" | — |
| 2010 | 74° | 61° | 67° | — | — |
| 2009 | 82° | 60° | 71° | 0.61" | — |
| 2008 | 68° | 47° | 57° | — | — |
| 2007 | 78° | 48° | 63° | — | — |
| 2006 | 68° | 40° | 54° | — | — |
| 2005 | 66° | 49° | 57° | — | — |
| 2004warmest | 90° | 67° | 78° | — | — |
| 2003 | 57° | 52° | 54° | 0.41" | — |
| 2002 | 74° | 37° | 55° | — | — |
| 2001 | 70° | 55° | 62° | 0.38" | — |
| 2000 | 65° | 53° | 59° | 0.23" | — |
| 1999 | 66° | 57° | 62° | 1.85" | — |
| 1998 | 75° | 41° | 58° | — | — |
| 1997 | 71° | 42° | 57° | — | — |
| 1996 | 79° | 47° | 63° | — | — |
| 1995 | 79° | 44° | 61° | — | — |
| 1994 | 90° | 56° | 73° | — | — |
| 1993 | 75° | 42° | 59° | — | — |
| 1992 | 91° | 54° | 72° | — | — |
| 1991 | 89° | 61° | 75° | — | — |
| 1990 | 66° | 43° | 54° | — | — |
| 1989 | 69° | 55° | 62° | 2.46" | — |
| 1988 | 85° | 56° | 70° | 0.03" | — |
| 1987 | 80° | 61° | 70° | 0.2" | — |
| 1986 | 72° | 53° | 62° | — | — |
| 1985 | 61° | 51° | 56° | 0.33" | — |
| 1984 | 79° | 56° | 67° | 1.65" | — |
| 1983 | 81° | 60° | 70° | 0.08" | — |
| 1982coldest | 53° | 49° | 51° | 0.71" | — |
| 1981 | 82° | 46° | 64° | — | — |
| 1980 | 86° | 59° | 73° | — | — |
| 1979 | 61° | 57° | 59° | 4.29" | — |
| 1978 | 78° | 50° | 64° | 0.05" | — |
| 1977 | 85° | 60° | 72° | — | — |
| 1976 | 71° | 42° | 57° | — | — |
| 1975 | 83° | 64° | 73° | — | — |
| 1974 | 76° | 62° | 69° | 0.61" | — |
| 1973 | 55° | 53° | 54° | 0.76" | — |
| 1972 | 80° | 49° | 64° | — | — |
| 1971 | 72° | 39° | 55° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP