Average Temperatures for Pennsylvania in December





Average temperatures for December at cities, towns, parks and lakes throughout Pennsylvania are listed below in degrees Fahrenheit and Celsius.

You can jump to a separate table for Eastern and Western Pennsylvania.

The tables give the normals for maximum and minimum temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center.

Eastern Pennsylvania

Average December temperatures
High °F Low °F Place High °C Low °C
41 24 Allentown 5 -4
41 22 Beltzville Lake Dam 5 -6
41 26 Chambersburg 5 -3
38 23 George B. Stevenson Reservoir 3 -5
42 27 Harrisburg 5 -3
42 26 Lancaster 6 -3
39 21 Matamoras 4 -6
45 27 Norristown 7 -3
45 30 Philadelphia 7 -1
38 25 State College 3 -4
38 22 Towanda 3 -6
38 24 Wilkes-Barre & Scranton 3 -5
38 24 Williamsport 3 -4
43 26 York 6 -3

Western Pennsylvania

Average daily temperatures in December
High °F Low °F Place High °C Low °C
38 24 Altoona 3 -5
34 18 Bradford 1 -8
38 23 Butler 4 -5
38 27 Erie 3 -3
40 22 Indiana 5 -6
36 22 Jamestown 2 -6
40 24 New Castle 4 -5
39 25 Pittsburgh 4 -4
43 24 Uniontown 6 -4
36 22 Warren 2 -5
39 22 Youghiogheny River Lake 4 -6
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Pennsylvania Temperatures
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