Weather on May 19
Allentown, PA
55 Years of Data
Avg High
72°F
Avg Low
51°F
Warmest
2017
77°F avg
Coldest
1976
46°F avg
About This Date
May 19th in Allentown, PA typically brings pleasant spring weather, with average highs around 72°F and lows near 51°F. Over 55 years of records, the warmest May 19th was in 2017 (77°F average), while the coldest was 1976 (46°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 40% of May 19th dates historically, with the wettest May 19th recording 6.96" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for May 19th in Allentown, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 48° | 59° | — | — |
| 2024 | 78° | 60° | 69° | — | — |
| 2023 | 74° | 46° | 60° | — | — |
| 2022 | 76° | 54° | 65° | 1.63" | — |
| 2021 | 89° | 49° | 69° | — | — |
| 2020 | 69° | 48° | 59° | — | — |
| 2019 | 88° | 63° | 75° | 2.41" | — |
| 2018 | 58° | 49° | 53° | 3" | — |
| 2017warmest | 89° | 65° | 77° | — | — |
| 2016 | 73° | 49° | 61° | — | — |
| 2015 | 84° | 56° | 70° | 0.03" | — |
| 2014 | 72° | 38° | 55° | 0.05" | — |
| 2013 | 63° | 57° | 60° | 0.3" | — |
| 2012 | 83° | 46° | 64° | — | — |
| 2011 | 75° | 58° | 66° | 0.86" | — |
| 2010 | 64° | 50° | 57° | — | — |
| 2009 | 70° | 32° | 51° | — | — |
| 2008 | 58° | 40° | 49° | — | — |
| 2007 | 66° | 45° | 55° | — | — |
| 2006 | 61° | 46° | 53° | 0.13" | — |
| 2005 | 71° | 41° | 56° | — | — |
| 2004 | 71° | 57° | 64° | 0.43" | — |
| 2003 | 77° | 36° | 56° | — | — |
| 2002 | 57° | 35° | 46° | — | — |
| 2001 | 82° | 56° | 69° | — | — |
| 2000 | 63° | 46° | 54° | 1.78" | — |
| 1999 | 65° | 58° | 61° | 2.95" | — |
| 1998 | 89° | 57° | 73° | — | — |
| 1997 | 84° | 51° | 68° | 0.71" | — |
| 1996 | 89° | 61° | 75° | — | — |
| 1995 | 63° | 48° | 55° | 0.23" | — |
| 1994 | 58° | 49° | 53° | 0.58" | — |
| 1993 | 58° | 50° | 54° | 0.2" | — |
| 1992 | 70° | 50° | 60° | — | — |
| 1991 | 68° | 49° | 58° | — | — |
| 1990 | 74° | 48° | 61° | — | — |
| 1989 | 88° | 55° | 71° | — | — |
| 1988 | 60° | 57° | 59° | 6.96" | — |
| 1987 | 57° | 48° | 53° | 0.69" | — |
| 1986 | 88° | 63° | 75° | — | — |
| 1985 | 69° | 44° | 57° | — | — |
| 1984 | 77° | 50° | 64° | 0.3" | — |
| 1983 | 64° | 49° | 56° | 0.2" | — |
| 1982 | 77° | 56° | 66° | 0.15" | — |
| 1981 | 61° | 46° | 53° | — | — |
| 1980 | 79° | 60° | 69° | — | — |
| 1979 | 63° | 58° | 60° | 0.97" | — |
| 1978 | 80° | 51° | 66° | — | — |
| 1977 | 80° | 62° | 71° | — | — |
| 1976coldest | 51° | 41° | 46° | 0.2" | — |
| 1975 | 81° | 59° | 70° | — | — |
| 1974 | 73° | 54° | 63° | — | — |
| 1973 | 69° | 35° | 52° | — | — |
| 1972 | 76° | 54° | 65° | — | — |
| 1971 | 87° | 51° | 69° | — | — |
55 years of data from ALLENTOWN LEHIGH VLY INTL AP