Average Temperatures for Pennsylvania in May





Average temperatures for May 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 May temperatures
High °F Low °F Place High °C Low °C
72 48 Allentown 22 9
71 45 Beltzville Lake Dam 22 7
72 51 Chambersburg 22 10
71 44 George B. Stevenson Reservoir 22 6
72 51 Harrisburg 22 11
73 50 Lancaster 23 10
70 44 Matamoras 21 7
75 51 Norristown 24 11
74 54 Philadelphia 23 12
70 49 State College 21 10
70 45 Towanda 21 7
70 48 Wilkes-Barre & Scranton 21 9
72 48 Williamsport 22 9
76 49 York 24 10

Western Pennsylvania

Average daily temperatures in May
High °F Low °F Place High °C Low °C
69 47 Altoona 21 8
67 41 Bradford 19 5
70 44 Butler 21 7
67 48 Erie 19 9
71 45 Indiana 22 7
68 45 Jamestown 20 7
71 45 New Castle 22 7
71 49 Pittsburgh 22 10
72 46 Uniontown 22 8
69 44 Warren 21 7
70 45 Youghiogheny River Lake 21 7
Reference

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

Pennsylvania Temperatures
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