Weather on May 20
Pittsburgh, PA
55 Years of Data
Avg High
74°F
Avg Low
53°F
Warmest
1996
81°F avg
Coldest
2002
44°F avg
About This Date
May 20th in Pittsburgh, PA typically brings pleasant spring weather, with average highs around 74°F and lows near 53°F. Over 43 years of records, the warmest May 20th was in 1996 (81°F average), while the coldest was 2002 (44°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 47% of May 20th dates historically, with the wettest May 20th recording 1.73" of rain. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.
Planning for May 20th in Pittsburgh, PA? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 66° | 44° | 55° | 0.05" | — |
| 2024 | 85° | 61° | 73° | — | — |
| 2023 | 66° | 51° | 59° | 1.47" | — |
| 2022 | 83° | 64° | 73° | 0.28" | — |
| 2021 | 86° | 58° | 72° | — | — |
| 2020 | 66° | 52° | 59° | — | — |
| 2019 | 75° | 53° | 64° | 0.03" | — |
| 2018 | 75° | 61° | 68° | 0.05" | — |
| 2017 | 72° | 57° | 64° | — | — |
| 2016 | 72° | 47° | 59° | 0.1" | — |
| 2015 | 56° | 48° | 52° | — | — |
| 2014 | 76° | 49° | 62° | — | — |
| 2013 | 84° | 62° | 73° | — | — |
| 2012 | 85° | 57° | 71° | — | — |
| 2011 | 69° | 50° | 60° | — | — |
| 2010 | 79° | 49° | 64° | 0.05" | — |
| 2009 | 81° | 47° | 64° | — | — |
| 2008 | 60° | 45° | 52° | 0.46" | — |
| 2007 | 73° | 50° | 62° | 0.05" | — |
| 2006 | 62° | 46° | 54° | — | — |
| 2005 | 60° | 48° | 54° | 0.69" | — |
| 2004 | 78° | 58° | 68° | 0.03" | — |
| 2003 | 67° | 49° | 58° | 1.73" | — |
| 2002coldest | 52° | 36° | 44° | — | — |
| 2001 | 74° | 52° | 63° | 0.03" | — |
| 2000 | 63° | 53° | 58° | 0.03" | — |
| 1999 | 71° | 47° | 59° | — | — |
| 1998 | 87° | 69° | 78° | 0.71" | — |
| 1997 | 63° | 56° | 59° | 0.61" | — |
| 1996warmest | 93° | 70° | 81° | — | — |
| 1995 | 80° | 53° | 67° | — | — |
| 1994 | 74° | 48° | 61° | — | — |
| 1993 | 60° | 41° | 51° | 0.05" | — |
| 1992 | 76° | 54° | 65° | — | — |
| 1979 | 82° | 59° | 71° | — | — |
| 1978 | 84° | 55° | 70° | 0.03" | — |
| 1977 | 90° | 59° | 74° | — | — |
| 1976 | 73° | 48° | 61° | — | — |
| 1975 | 86° | 61° | 73° | — | — |
| 1974 | 80° | 53° | 67° | — | — |
| 1973 | 54° | 49° | 51° | 1.07" | — |
| 1972 | 70° | 57° | 63° | 0.36" | — |
| 1971 | 76° | 60° | 68° | — | — |
43 years of data from PITTSBURGH WSO CITY