Pittsburgh - Recent December Temperatures, Rain & Snow





The numbers here describe what the December weather in Pittsburgh, Pennsylvania was like for every year since 2010. A series of tables gives December data by year for temperature, precipitation and snowfall.

They begin with average maximum and minimum temperatures in degrees Fahrenheit and Celsius. That's followed by how many hot or cold days occurred each December. Then there's information on how much rain and snow actually landed this month during recent years, as well as how often Pittsburgh had wet or snowy weather.

The climate data come from weather measurements made at Pittsburgh International Airport.

Temperature Weather iconTemperature

December temperature averages by year in Pittsburgh
High °F Low °F Year High °C Low °C
49 33 2021 10 0
40 28 2020 4 -2
43 28 2019 6 -2
42 29 2018 5 -2
38 24 2017 3 -5
41 27 2016 5 -3
52 37 2015 11 3
42 30 2014 5 -1
41 28 2013 5 -3
45 32 2012 7 0
44 31 2011 7 -1
31 20 2010 -1 -6
Number of days in December when the temperature in Pittsburgh dropped to 0 or 32 or below, or rose to at least 70 degrees Fahrenheit
0 °F
-18 °C
32 °F
0 °C
Year 70 °F
21 °C
0 16 2021 0
0 26 2020 0
0 24 2019 0
0 24 2018 0
0 25 2017 0
0 23 2016 0
0 11 2015 0
0 22 2014 0
0 22 2013 1
0 20 2012 0
0 19 2011 0
0 30 2010 0

Rainy Weather iconPrecipitation

This table gives the total precipitation that fell on Pittsburgh during December in each year from 2010. The number of days with precipitation counts the days when rainfall or snowfall (when melted) amounted to 0.01 inches (0.3 millimeters) or more.

Total precipitation for December in Pittsburgh
Days Year Inches Milli­metres
17 2021 3.5 88
15 2020 3.5 89
16 2019 3.5 90
15 2018 5.0 128
16 2017 1.6 42
14 2016 3.4 87
15 2015 3.1 77
9 2014 2.6 67
21 2013 3.3 83
19 2012 5.5 140
15 2011 2.5 63
15 2010 1.6 40

Snowy Weather iconSnow

Amount of snowfall in Pittsburgh for December and number of days when new snow totalled at least 1 inch (2.5 centimetres)
Days Year Inches Centi­metres
0 2021 0.4 1
7 2020 27.5 70
1 2019 4.6 12
1 2018 2.0 5
4 2017 9.1 23
2 2016 6.1 15
0 2015 0.3 1
0 2014 0.2 1
9 2013 15.0 38
5 2012 13.6 35
0 2011 1.2 3
3 2010 12.4 31
Reference

Jay Lawrimore. 2016. Global Summary of the Month, Version 1.0. NOAA National Centers for Environmental Information. 

Pittsburgh - Recent Years
Pittsburgh - Extremes
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