Weather on December 17
Pittsburgh, PA
55 Years of Data
Avg High
42°F
Avg Low
29°F
Warmest
2006
51°F avg
Coldest
1972
17°F avg
About This Date
December 17th in Pittsburgh, PA typically brings chilly winter weather, with average highs around 42°F and lows near 29°F. Over 43 years of records, the warmest December 17th was in 2006 (51°F average), while the coldest was 1972 (17°F) — a 34°F range across recorded history. Precipitation has occurred on 58% of recorded December 17th dates, with snow falling 14% of the time. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for December 17th in Pittsburgh, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 48° | 34° | 41° | — | — |
| 2024 | 57° | 40° | 48° | 0.08" | — |
| 2023 | 53° | 45° | 49° | 0.46" | — |
| 2022 | 36° | 31° | 34° | — | — |
| 2021 | 50° | 35° | 43° | 0.15" | — |
| 2020 | 31° | 27° | 29° | 0.25" | — |
| 2019 | 33° | 24° | 29° | 1.04" | — |
| 2018 | 41° | 33° | 37° | — | — |
| 2017 | 39° | 30° | 35° | 0.23" | — |
| 2016 | 58° | 24° | 41° | 2.11" | — |
| 2015 | 55° | 35° | 45° | 1.45" | — |
| 2014 | 41° | 28° | 35° | 0.03" | — |
| 2013 | 35° | 25° | 30° | 0.18" | — |
| 2012 | 55° | 46° | 51° | 2.26" | — |
| 2011 | 33° | 29° | 31° | 0.05" | — |
| 2010 | 28° | 18° | 23° | — | — |
| 2009 | 31° | 18° | 25° | — | — |
| 2008 | 42° | 31° | 37° | 0.79" | — |
| 2007 | 27° | 20° | 24° | — | — |
| 2006warmest | 61° | 42° | 51° | 0.05" | — |
| 2005 | 33° | 23° | 28° | — | — |
| 2004 | 34° | 25° | 29° | — | — |
| 2003 | 44° | 25° | 34° | 0.2" | — |
| 2002 | 34° | 20° | 27° | — | — |
| 2001 | 55° | 39° | 47° | 3.71" | — |
| 2000 | 55° | 14° | 35° | 0.46" | 0.2" |
| 1999 | 38° | 25° | 31° | — | — |
| 1998 | 38° | 35° | 36° | 0.13" | — |
| 1997 | 50° | 32° | 41° | — | — |
| 1996 | 52° | 40° | 46° | 0.1" | — |
| 1995 | 40° | 29° | 34° | — | — |
| 1994 | 47° | 42° | 44° | 0.66" | — |
| 1993 | 45° | 32° | 38° | — | — |
| 1992 | 45° | 36° | 40° | 1.14" | — |
| 1991 | 34° | 18° | 26° | — | — |
| 1978 | 40° | 32° | 36° | 0.03" | 0.1" |
| 1977 | 57° | 35° | 46° | — | — |
| 1976 | 35° | 29° | 32° | 0.03" | 0.1" |
| 1975 | 39° | 26° | 33° | — | — |
| 1974 | 36° | 31° | 33° | 0.1" | 0.3" |
| 1973 | 22° | 14° | 18° | — | — |
| 1972coldest | 20° | 14° | 17° | — | 0.1" |
| 1971 | 41° | 17° | 29° | 0.1" | 0.4" |
43 years of data from PITTSBURGH WSO CITY