Weather on December 1
Pittsburgh, PA
55 Years of Data
Avg High
46°F
Avg Low
32°F
Warmest
1996
55°F avg
Coldest
2002
24°F avg
About This Date
December 1st in Pittsburgh, PA typically brings chilly winter weather, with average highs around 46°F and lows near 32°F. Over 43 years of records, the warmest December 1st was in 1996 (55°F average), while the coldest was 2002 (24°F) — a 31°F range across recorded history. Precipitation has occurred on 40% of recorded December 1st dates, with snow falling 5% of the time (heaviest snowfall: 3.5"). The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.5°F cooler on this date compared to 20-30 years ago.
Planning for December 1st in Pittsburgh, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 33° | 28° | 31° | — | — |
| 2024 | 30° | 21° | 26° | — | — |
| 2023 | 50° | 43° | 46° | 0.51" | — |
| 2022 | 35° | 26° | 31° | — | — |
| 2021 | 49° | 32° | 40° | 0.1" | — |
| 2020 | 35° | 28° | 32° | 0.3" | — |
| 2019 | 47° | 36° | 41° | 1.04" | — |
| 2018 | 46° | 36° | 41° | 1.35" | — |
| 2017 | 47° | 33° | 40° | — | — |
| 2016 | 47° | 37° | 42° | — | — |
| 2015 | 59° | 46° | 53° | 1.07" | — |
| 2014 | 61° | 29° | 45° | 0.69" | — |
| 2013 | 44° | 32° | 38° | — | — |
| 2012 | 58° | 36° | 47° | — | — |
| 2011 | 43° | 28° | 36° | — | — |
| 2010 | 52° | 28° | 40° | 1.9" | — |
| 2009 | 47° | 31° | 39° | — | — |
| 2008 | 40° | 32° | 36° | — | — |
| 2007 | 33° | 21° | 27° | — | — |
| 2006 | 73° | 34° | 53° | 0.97" | — |
| 2005 | 35° | 30° | 33° | — | — |
| 2004 | 53° | 34° | 43° | 1.24" | — |
| 2003 | 48° | 32° | 40° | — | — |
| 2002coldest | 28° | 20° | 24° | — | — |
| 2001 | 49° | 43° | 46° | — | — |
| 2000 | 38° | 28° | 33° | — | — |
| 1999 | 32° | 19° | 26° | 0.03" | — |
| 1998 | 62° | 48° | 55° | 0.1" | — |
| 1997 | 45° | 36° | 40° | 0.38" | — |
| 1996warmest | 65° | 45° | 55° | 1.6" | — |
| 1995 | 60° | 45° | 52° | — | — |
| 1994 | 47° | 33° | 40° | — | — |
| 1993 | 51° | 29° | 40° | — | — |
| 1992 | 38° | 34° | 36° | 0.03" | — |
| 1991 | 45° | 40° | 42° | — | — |
| 1978 | 49° | 25° | 37° | — | — |
| 1977 | 66° | 43° | 54° | — | — |
| 1976 | 38° | 16° | 27° | — | — |
| 1975 | 45° | 27° | 36° | — | — |
| 1974 | 39° | 27° | 33° | 2.51" | 3.5" |
| 1973 | 42° | 31° | 36° | — | — |
| 1972 | 43° | 30° | 36° | 0.28" | 2" |
| 1971 | 32° | 22° | 27° | — | — |
43 years of data from PITTSBURGH WSO CITY