AVERAGE MONTHLY MAXIMUM TEMPERATURES (1961-1990)
#YR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL
ALLENTOWN, PA 30 34.3 37.7 48.8 60.4 71.3 80.0 84.5 82.3 75.1 63.8 51.8 39.2 60.8 ERIE, PA. 30 32.5 33.7 43.6 54.5 65.9 75.3 79.9 78.5 72.1 61.0 49.4 37.8 57.0 HARRISBURG, PA 30 35.9 39.2 50.3 62.0 72.5 81.2 85.8 83.8 76.3 64.7 52.6 40.6 62.1 MIDDLETOWN/HARRISBURG INTL APT 30 35.9 39.2 50.3 62.0 72.5 81.2 85.8 83.8 76.3 64.7 52.6 40.6 62.1 PHILADELPHIA, PA 30 37.9 41.0 51.6 62.6 73.1 81.7 86.1 84.6 77.6 66.3 55.1 43.4 63.4 PITTSBURGH, PA 30 33.7 36.9 49.0 60.3 70.6 78.9 82.6 80.8 74.3 62.5 50.4 38.6 59.9 AVOCA, PA 30 31.8 34.5 45.5 57.8 69.3 77.5 81.8 79.7 72.4 61.0 48.8 36.6 58.1 WILLIAMSPORT, PA 30 33.3 36.6 47.7 60.1 71.1 79.0 83.1 81.2 73.8 62.4 49.9 37.9 59.7 AVERAGE MONTHLY MINIMUM TEMPERATURES (1961-1990)
ALLENTOWN, PA 30 18.8 20.9 29.9 38.8 49.3 58.8 63.6 62.0 54.2 42.5 34.2 24.4 41.5 ERIE, PA. 30 18.2 17.9 28.1 37.7 47.8 57.6 62.6 61.8 55.9 45.6 37.0 25.2 41.3 HARRISBURG, PA 30 21.2 23.3 32.0 41.2 51.1 60.6 65.6 64.3 56.5 44.6 36.1 26.6 43.6 MIDDLETOWN/HARRISBURG INTL APT 30 21.2 23.3 32.0 41.2 51.1 60.6 65.6 64.3 56.5 44.6 36.1 26.6 43.6 PHILADELPHIA, PA 30 22.8 24.8 33.2 42.1 52.7 61.8 67.2 66.3 58.7 46.4 37.6 28.1 45.1 PITTSBURGH, PA 30 18.5 20.3 29.8 38.8 48.4 56.9 61.6 60.2 53.5 42.3 34.1 24.4 40.7 AVOCA, PA 30 17.5 19.0 28.3 38.1 48.3 56.8 61.6 60.0 52.8 42.1 33.9 23.4 40.2 WILLIAMSPORT, PA 30 17.1 19.2 28.5 38.1 47.9 56.6 61.5 60.5 53.1 41.6 33.6 23.9 40.1 AVERAGE MONTHLY LIQUID PRECIPITATION, in inches (1961-1990)
ALLENTOWN, PA 30 3.16 2.95 3.28 3.52 4.20 3.75 4.14 4.28 3.93 2.94 3.88 3.49 43.52 ERIE, PA. 30 2.22 2.28 3.00 3.24 3.44 4.09 3.43 4.06 4.39 3.77 4.02 3.59 41.53 HARRISBURG, PA 30 2.84 2.93 3.28 3.24 4.26 3.85 3.59 3.31 3.51 2.93 3.52 3.24 40.50 MIDDLETOWN/HARRISBURG INTL APT 30 2.84 2.93 3.28 3.24 4.26 3.85 3.59 3.31 3.51 2.93 3.52 3.24 40.50 PHILADELPHIA, PA 30 3.21 2.79 3.46 3.62 3.75 3.74 4.28 3.80 3.42 2.62 3.34 3.38 41.41 PITTSBURGH, PA 30 2.54 2.39 3.41 3.15 3.59 3.71 3.75 3.21 2.97 2.36 2.85 2.92 36.85 AVOCA, PA 30 2.10 2.15 2.55 2.97 3.65 3.98 3.79 3.32 3.31 2.79 3.06 2.51 36.18 WILLIAMSPORT, PA 30 2.54 2.76 3.19 3.23 3.86 4.32 3.98 3.39 3.39 3.30 3.73 3.03 40.72 AVERAGE MONTHLY SNOWFALL, in inches (1961-1990)
ALLENTOWN, PA 50 8.4 8.9 5.8 0.7 T 0.0 0.0 0.0 0.0 0.1 1.3 6.1 31.3 ERIE, PA. 39 22.8 16.1 10.4 2.7 0.0 T 0.0 T T 0.3 10.3 22.9 85.5 HARRISBURG, PA 52 9.7 9.2 6.1 0.5 T 0.0 0.0 0.0 0.0 0.0 2.0 6.8 34.3 MIDDLETOWN/HARRISBURG INTL APT 54 9.4 9.3 6.5 0.5 T T 0.0 T 0.0 0.0 1.9 6.6 34.2 PHILADELPHIA, PA 51 6.4 6.4 3.7 0.3 T T 0.0 0.0 0.0 0.0 0.6 3.4 20.8 PITTSBURGH, PA 41 11.3 9.3 8.7 1.7 0.1 T T 0.0 T 0.4 3.3 8.3 43.1 AVOCA, PA 38 11.2 10.8 9.4 3.1 0.1 0.0 0.0 T T 0.2 3.3 8.8 46.9 WILLIAMSPORT, PA 49 10.4 10.1 8.2 1.2 0.0 T 0.0 T 0.0 0.1 3.0 8.2 41.2 AVERAGE DAYS WITH MEASURABLE (>= 0.01") PRECIPITATION (1961-1990)
ALLENTOWN, PA 50 11 10 11 12 12 11 10 10 9 8 10 11 125 ERIE, PA. 40 18 15 15 14 12 10 10 11 11 13 17 19 165 HARRISBURG, PA 13 11 10 11 13 13 11 10 9 9 9 10 10 125 MIDDLETOWN/HARRISBURG INTL APT 15 10 10 11 12 13 11 10 9 9 9 10 10 125 PHILADELPHIA, PA 53 11 9 11 11 11 10 9 9 8 8 9 10 117 PITTSBURGH, PA 41 16 14 16 14 13 11 11 10 10 10 13 16 153 AVOCA, PA 38 12 11 13 12 13 12 11 11 10 10 12 13 140 WILLIAMSPORT, PA 49 12 11 13 13 13 12 11 11 10 10 12 12 141