Average Annual Temperatures in Pennsylvania





Average annual temperatures for cities, communities and other locations 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 yearly temperatures based on weather data collected from 1991 to 2020 by the US National Centers for Environmental Information.

Place name links take you to more detailed temperature information for that location.

Eastern Pennsylvania

Average annual temperatures
High °F Low °F Place High °C Low °C
63 43 Allentown 17 6
62 44 Chambersburg 17 6
61 40 East Stroudsburg 16 4
58 36 George Stevenson Reservoir 15 2
64 42 Gettysburg 18 5
65 46 Harrisburg 18 8
64 43 Lancaster 18 6
62 43 Lebanon 17 6
59 37 Matamoras 15 3
66 44 Norristown 19 7
65 47 Philadelphia 18 9
63 44 Reading 17 7
59 42 State College 15 5
61 40 Sunbury 16 4
60 38 Towanda 16 3
61 42 Wilkes-Barre & Scranton 16 5
61 41 Williamsport 16 5
66 42 York 19 6

Western Pennsylvania

Average temperatures for the year
High °F Low °F Place High °C Low °C
60 42 Altoona 16 5
56 34 Bradford 13 1
59 38 Butler 15 3
57 39 DuBois 14 4
59 43 Erie 15 6
61 38 Indiana 16 3
59 38 Jamestown 15 3
57 40 Meadville 14 4
63 39 New Castle 17 4
61 43 Pittsburgh 16 6
63 41 Uniontown 17 5
58 38 Warren 15 3
62 39 Youghiogheny River Lake 17 4
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Pennsylvania Temperatures
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