Weather on March 12
Allentown, PA
55 Years of Data
Avg High
48°F
Avg Low
29°F
Warmest
1990
65°F avg
Coldest
1984
19°F avg
About This Date
March 12th in Allentown, PA typically brings chilly spring weather, with average highs around 48°F and lows near 29°F. Over 56 years of records, the warmest March 12th was in 1990 (65°F average), while the coldest was 1984 (19°F) — a 46°F range across recorded history. Precipitation has occurred on 36% of recorded March 12th dates, with snow falling 4% of the time (heaviest snowfall: 4.4"). The last decade has been 6.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 6.8°F warmer on this date compared to 20-30 years ago.
Planning for March 12th in Allentown, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 62° | 33° | 48° | 0.76" | — |
| 2025 | 57° | 35° | 46° | — | — |
| 2024 | 65° | 35° | 50° | — | — |
| 2023 | 44° | 23° | 34° | — | — |
| 2022 | 43° | 19° | 31° | 1.12" | 4.4" |
| 2021 | 65° | 50° | 57° | — | — |
| 2020 | 56° | 34° | 45° | 0.08" | — |
| 2019 | 44° | 29° | 37° | — | — |
| 2018 | 43° | 23° | 33° | 0.13" | — |
| 2017 | 30° | 16° | 23° | — | — |
| 2016 | 65° | 27° | 46° | — | — |
| 2015 | 45° | 30° | 38° | — | — |
| 2014 | 51° | 21° | 36° | 1.14" | — |
| 2013 | 58° | 41° | 49° | 3.25" | — |
| 2012 | 68° | 28° | 48° | — | — |
| 2011 | 55° | 35° | 45° | — | — |
| 2010 | 46° | 42° | 44° | 0.71" | — |
| 2009 | 42° | 28° | 35° | — | — |
| 2008 | 47° | 31° | 39° | — | — |
| 2007 | 57° | 24° | 41° | — | — |
| 2006 | 57° | 44° | 51° | 0.71" | — |
| 2005 | 42° | 26° | 34° | — | — |
| 2004 | 43° | 31° | 37° | — | — |
| 2003 | 45° | 24° | 34° | — | — |
| 2002 | 51° | 26° | 39° | — | — |
| 2001 | 50° | 24° | 37° | 0.36" | — |
| 2000 | 46° | 32° | 39° | 0.51" | — |
| 1999 | 33° | 25° | 29° | — | — |
| 1998 | 32° | 17° | 25° | — | — |
| 1997 | 44° | 26° | 35° | — | — |
| 1996 | 49° | 15° | 32° | — | — |
| 1995 | 61° | 31° | 46° | — | — |
| 1994 | 42° | 23° | 33° | — | — |
| 1993 | 40° | 23° | 31° | — | — |
| 1992 | 37° | 21° | 29° | — | — |
| 1991 | 44° | 20° | 32° | — | — |
| 1990warmest | 81° | 50° | 65° | — | — |
| 1989 | 44° | 22° | 33° | — | — |
| 1988 | 61° | 29° | 45° | 0.03" | — |
| 1987 | 41° | 26° | 34° | — | — |
| 1986 | 45° | 27° | 36° | 0.15" | — |
| 1985 | 52° | 42° | 47° | 0.79" | — |
| 1984coldest | 27° | 11° | 19° | — | — |
| 1983 | 38° | 34° | 36° | 0.71" | 0.6" |
| 1982 | 54° | 34° | 44° | 0.05" | — |
| 1981 | 44° | 26° | 35° | — | — |
| 1980 | 36° | 20° | 28° | — | — |
| 1979 | 41° | 22° | 31° | — | — |
| 1978 | 49° | 33° | 41° | — | — |
| 1977 | 66° | 39° | 53° | — | — |
| 1976 | 34° | 20° | 27° | 0.94" | — |
| 1975 | 45° | 36° | 40° | 0.76" | — |
| 1974 | 45° | 24° | 34° | — | — |
| 1973 | 60° | 44° | 52° | 0.08" | — |
| 1972 | 43° | 35° | 39° | 1.45" | — |
| 1971 | 47° | 28° | 37° | 0.56" | — |
56 years of data from ALLENTOWN LEHIGH VLY INTL AP