Weather on March 31
Philadelphia, PA
55 Years of Data
Avg High
59°F
Avg Low
43°F
Warmest
1998
76°F avg
Coldest
2003
39°F avg
About This Date
March 31st in Philadelphia, PA typically brings cool spring weather, with average highs around 59°F and lows near 43°F. Over 54 years of records, the warmest March 31st was in 1998 (76°F average), while the coldest was 2003 (39°F) — a 37°F range across recorded history. Precipitation has occurred on 28% of recorded March 31st dates, with snow falling 2% of the time (heaviest snowfall: 3"). The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for March 31st in Philadelphia, PA? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 46° | 56° | — | — |
| 2024 | 62° | 46° | 54° | — | — |
| 2023 | 50° | 35° | 43° | — | — |
| 2022 | 64° | 37° | 51° | — | — |
| 2021 | 67° | 42° | 54° | — | — |
| 2019 | 77° | 58° | 67° | 0.08" | — |
| 2018 | 70° | 39° | 54° | 0.41" | — |
| 2017 | 52° | 42° | 47° | 1.14" | — |
| 2016 | 59° | 38° | 48° | — | — |
| 2015 | 57° | 41° | 49° | — | — |
| 2014 | 47° | 36° | 41° | 2.11" | — |
| 2013 | 60° | 43° | 51° | — | — |
| 2012 | 58° | 40° | 49° | 0.86" | — |
| 2011 | 52° | 38° | 45° | 0.23" | — |
| 2010 | 50° | 38° | 44° | 2.13" | — |
| 2009 | 63° | 41° | 52° | — | — |
| 2008 | 62° | 43° | 52° | — | — |
| 2007 | 57° | 46° | 52° | — | — |
| 2006 | 78° | 60° | 69° | — | — |
| 2005 | 57° | 42° | 50° | — | — |
| 2004 | 50° | 41° | 46° | 0.53" | — |
| 2003coldest | 45° | 34° | 39° | — | — |
| 2002 | 61° | 52° | 56° | 1.14" | — |
| 2001 | 50° | 40° | 45° | — | — |
| 2000 | 61° | 40° | 50° | — | — |
| 1999 | 72° | 43° | 57° | 0.05" | — |
| 1998warmest | 85° | 67° | 76° | — | — |
| 1997 | 61° | 31° | 46° | 1.12" | 3" |
| 1996 | 63° | 40° | 51° | — | — |
| 1995 | 53° | 47° | 50° | 0.03" | — |
| 1994 | 53° | 38° | 45° | — | — |
| 1993 | 67° | 46° | 56° | — | — |
| 1992 | 59° | 42° | 51° | — | — |
| 1991 | 53° | 32° | 43° | — | — |
| 1990 | 46° | 38° | 42° | — | — |
| 1989 | 49° | 43° | 46° | — | — |
| 1988 | 70° | 47° | 58° | — | — |
| 1987 | 64° | 35° | 50° | — | — |
| 1986 | 82° | 58° | 70° | — | — |
| 1985 | 50° | 40° | 45° | — | — |
| 1984 | 55° | 37° | 46° | — | — |
| 1983 | 50° | 38° | 44° | — | — |
| 1982 | 61° | 47° | 54° | — | — |
| 1981 | 75° | 57° | 66° | — | — |
| 1980 | 47° | 34° | 40° | — | — |
| 1979 | 80° | 61° | 70° | — | — |
| 1978 | 60° | 40° | 50° | — | — |
| 1977 | 67° | 49° | 58° | — | — |
| 1976 | 50° | 42° | 46° | 0.64" | — |
| 1975 | 50° | 31° | 40° | — | — |
| 1974 | 46° | 37° | 42° | 0.86" | — |
| 1973 | 61° | 47° | 54° | 0.86" | — |
| 1972 | 47° | 40° | 43° | — | — |
| 1971 | 51° | 34° | 42° | — | — |
54 years of data from PHILADELPHIA WSFO