Weather on December 11
Pittsburgh, PA
55 Years of Data
Avg High
41°F
Avg Low
28°F
Warmest
2015
55°F avg
Coldest
1977
13°F avg
About This Date
December 11th in Pittsburgh, PA typically brings chilly winter weather, with average highs around 41°F and lows near 28°F. Over 43 years of records, the warmest December 11th was in 2015 (55°F average), while the coldest was 1977 (13°F) — a 42°F range across recorded history. Precipitation has occurred on 42% of recorded December 11th dates, with snow falling 2% of the time. The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
Planning for December 11th in Pittsburgh, PA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 29° | 22° | 25° | — | — |
| 2024 | 49° | 28° | 39° | 0.41" | — |
| 2023 | 37° | 33° | 35° | 0.03" | — |
| 2022 | 44° | 38° | 41° | 0.08" | — |
| 2021 | 63° | 37° | 50° | 2.26" | — |
| 2020 | 62° | 33° | 48° | — | — |
| 2019 | 28° | 20° | 24° | — | — |
| 2018 | 34° | 21° | 28° | — | — |
| 2017 | 37° | 30° | 34° | — | — |
| 2016 | 34° | 22° | 28° | 0.86" | — |
| 2015warmest | 62° | 49° | 55° | — | — |
| 2014 | 32° | 25° | 29° | — | — |
| 2013 | 30° | 19° | 25° | — | — |
| 2012 | 38° | 32° | 35° | 0.05" | — |
| 2011 | 37° | 19° | 28° | — | — |
| 2010 | 47° | 29° | 38° | — | — |
| 2009 | 28° | 15° | 22° | — | — |
| 2008 | 34° | 31° | 33° | 2.16" | — |
| 2007 | 64° | 35° | 50° | 0.15" | — |
| 2006 | 57° | 38° | 47° | — | — |
| 2005 | 33° | 28° | 31° | 0.13" | — |
| 2004 | 46° | 31° | 38° | 0.03" | — |
| 2003 | 45° | 30° | 37° | 0.38" | — |
| 2002 | 33° | 28° | 31° | 0.86" | — |
| 2001 | 52° | 36° | 44° | — | — |
| 2000 | 47° | 36° | 41° | 0.79" | — |
| 1999 | 40° | 29° | 34° | — | — |
| 1998 | 45° | 34° | 39° | — | — |
| 1997 | 40° | 35° | 37° | 0.61" | — |
| 1996 | 55° | 41° | 48° | 2.39" | — |
| 1995 | 21° | 6° | 14° | — | — |
| 1994 | 39° | 22° | 30° | 1.5" | — |
| 1993 | 40° | 20° | 30° | — | — |
| 1992 | 36° | 32° | 34° | 0.13" | — |
| 1991 | 47° | 28° | 37° | — | — |
| 1978 | 32° | 11° | 21° | — | — |
| 1977coldest | 18° | 8° | 13° | 0.03" | 0.2" |
| 1976 | 44° | 30° | 37° | — | — |
| 1975 | 38° | 30° | 34° | — | — |
| 1974 | 50° | 29° | 39° | — | — |
| 1973 | 28° | 21° | 25° | — | — |
| 1972 | 30° | 24° | 27° | — | — |
| 1971 | 61° | 34° | 47° | — | — |
43 years of data from PITTSBURGH WSO CITY