Weather on December 19
Pittsburgh, PA
55 Years of Data
Avg High
40°F
Avg Low
26°F
Warmest
1998
48°F avg
Coldest
1975
17°F avg
About This Date
December 19th in Pittsburgh, PA typically brings chilly winter weather, with average highs around 40°F and lows near 26°F. Over 43 years of records, the warmest December 19th was in 1998 (48°F average), while the coldest was 1975 (17°F) — a 31°F range across recorded history. Precipitation has occurred on 40% of recorded December 19th dates, with snow falling 5% of the time (heaviest snowfall: 2"). The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.2°F cooler on this date compared to 20-30 years ago.
Planning for December 19th in Pittsburgh, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Cooling Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 53° | 16° | 34° | 0.89" | — |
| 2024 | 35° | 32° | 34° | — | — |
| 2023 | 31° | 25° | 28° | — | — |
| 2022 | 29° | 24° | 27° | — | — |
| 2021 | 37° | 31° | 34° | 0.03" | — |
| 2020 | 35° | 27° | 31° | — | — |
| 2019 | 27° | 11° | 19° | — | — |
| 2018 | 46° | 23° | 35° | — | — |
| 2017 | 52° | 42° | 47° | 0.03" | — |
| 2016 | 27° | 18° | 23° | — | — |
| 2015 | 34° | 26° | 30° | — | — |
| 2014 | 31° | 27° | 29° | — | — |
| 2013 | 52° | 27° | 40° | — | — |
| 2012 | 45° | 35° | 40° | 0.03" | — |
| 2011 | 45° | 30° | 38° | — | — |
| 2010 | 25° | 14° | 20° | — | — |
| 2009 | 29° | 23° | 26° | — | — |
| 2008 | 53° | 33° | 43° | 3.61" | — |
| 2007 | 39° | 31° | 35° | 0.05" | — |
| 2006 | 38° | 27° | 33° | — | — |
| 2005 | 28° | 12° | 20° | — | — |
| 2004 | 40° | 6° | 23° | 0.05" | — |
| 2003 | 29° | 24° | 26° | — | — |
| 2002 | 61° | 35° | 48° | 0.84" | — |
| 2001 | 50° | 30° | 40° | 0.05" | — |
| 2000 | 29° | 11° | 20° | 0.2" | 1.1" |
| 1999 | 49° | 28° | 38° | — | — |
| 1998warmest | 52° | 45° | 48° | — | — |
| 1997 | 54° | 37° | 45° | — | — |
| 1996 | 33° | 19° | 26° | 0.2" | — |
| 1995 | 34° | 25° | 29° | 0.64" | — |
| 1994 | 42° | 29° | 35° | 0.13" | — |
| 1993 | 39° | 35° | 37° | — | — |
| 1992 | 52° | 32° | 42° | — | — |
| 1991 | 29° | 10° | 19° | — | — |
| 1978 | 33° | 23° | 28° | — | — |
| 1977 | 45° | 39° | 42° | 0.03" | — |
| 1976 | 59° | 30° | 45° | — | — |
| 1975coldest | 23° | 11° | 17° | — | — |
| 1974 | 39° | 28° | 34° | 0.46" | 2" |
| 1973 | 37° | 25° | 31° | — | — |
| 1972 | 42° | 37° | 40° | 0.18" | — |
| 1971 | 43° | 20° | 31° | 0.03" | — |
43 years of data from PITTSBURGH WSO CITY