Weather on May 1
Pittsburgh, PA
55 Years of Data
Avg High
70°F
Avg Low
49°F
Warmest
2010
71°F avg
Coldest
1978
39°F avg
About This Date
May 1st in Pittsburgh, PA typically brings pleasant spring weather, with average highs around 70°F and lows near 49°F. Over 43 years of records, the warmest May 1st was in 2010 (71°F average), while the coldest was 1978 (39°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 53% of May 1st dates historically, with the wettest May 1st recording 2.24" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 1st in Pittsburgh, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 81° | 56° | 68° | 0.3" | — |
| 2024 | 80° | 53° | 67° | — | — |
| 2023 | 50° | 40° | 45° | 0.74" | — |
| 2022 | 72° | 54° | 63° | 1.37" | — |
| 2021 | 63° | 36° | 49° | — | — |
| 2020 | 56° | 45° | 50° | — | — |
| 2019 | 85° | 55° | 70° | — | — |
| 2018 | 79° | 42° | 60° | — | — |
| 2017 | 81° | 56° | 68° | 0.94" | — |
| 2016 | 72° | 53° | 62° | 0.56" | — |
| 2015 | 67° | 47° | 57° | 0.03" | — |
| 2014 | 62° | 53° | 58° | 0.03" | — |
| 2013 | 75° | 53° | 64° | — | — |
| 2012 | 75° | 60° | 68° | 0.71" | — |
| 2011 | 61° | 52° | 56° | 0.46" | — |
| 2010warmest | 85° | 58° | 71° | — | — |
| 2009 | 73° | 52° | 62° | 1.37" | — |
| 2008 | 75° | 42° | 59° | 0.03" | — |
| 2007 | 85° | 52° | 68° | 1.22" | — |
| 2006 | 72° | 51° | 61° | — | — |
| 2005 | 55° | 40° | 47° | — | — |
| 2004 | 79° | 59° | 69° | — | — |
| 2003 | 83° | 58° | 70° | — | — |
| 2002 | 65° | 44° | 54° | 0.03" | — |
| 2001 | 82° | 49° | 65° | — | — |
| 2000 | 74° | 45° | 59° | 1.85" | — |
| 1999 | 73° | 49° | 61° | — | — |
| 1998 | 63° | 60° | 61° | 0.61" | — |
| 1997 | 72° | 51° | 61° | 0.03" | — |
| 1996 | 60° | 44° | 52° | 0.33" | — |
| 1995 | 68° | 50° | 59° | 0.86" | — |
| 1994 | 56° | 46° | 51° | 0.86" | — |
| 1993 | 80° | 49° | 64° | — | — |
| 1992 | 60° | 42° | 51° | — | — |
| 1979 | 59° | 40° | 49° | — | — |
| 1978coldest | 49° | 30° | 39° | — | — |
| 1977 | 80° | 39° | 60° | — | — |
| 1976 | 60° | 45° | 52° | 0.3" | — |
| 1975 | 74° | 54° | 64° | 2.24" | — |
| 1974 | 65° | 48° | 56° | 0.05" | — |
| 1973 | 77° | 61° | 69° | — | — |
| 1972 | 76° | 53° | 64° | 0.28" | — |
| 1971 | 62° | 37° | 50° | — | — |
43 years of data from PITTSBURGH WSO CITY