Average Annual Precipitation for Pennsylvania





The tables below give yearly averages for rainfall plus snowfall at cities and other locations in Pennsylvania.

Each place has a total for the amount of precipitation it usually receives in a year along with information on the number of days with wet weather. That includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The annual precipitation totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

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

Eastern Pennsylvania

Average yearly precipitation
Days Place Inches Milli­metres
129 Allentown 47.4 1203
117 Chambersburg 43.5 1106
142 East Stroudsburg 53.6 1360
153 George Stevenson Reservoir 43.1 1096
105 Gettysburg 44.5 1129
129 Harrisburg 41.0 1041
124 Lancaster 44.2 1121
125 Lebanon 46.4 1179
135 Matamoras 47.3 1201
131 Norristown 50.7 1287
121 Philadelphia 44.1 1120
129 Reading 45.2 1148
146 State College 41.5 1055
127 Sunbury 43.7 1110
138 Towanda 38.6 981
139 Wilkes-Barre & Scranton 38.7 983
137 Williamsport 43.5 1105
127 York 46.5 1180

Western Pennsylvania

Annual averages for rainfall plus snowfall
Days Place Inches Milli­metres
136 Altoona 36.7 931
162 Bradford 49.6 1259
168 Butler 43.2 1098
169 DuBois 42.4 1077
167 Erie 43.0 1092
167 Indiana 47.9 1216
161 Jamestown 43.8 1113
169 Meadville 41.4 1052
156 New Castle 41.8 1061
154 Pittsburgh 39.6 1006
161 Uniontown 44.4 1126
175 Warren 47.0 1193
173 Youghiogheny River Lake 47.2 1199
Reference

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

Pennsylvania Precipitation
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