Allentown

The tables below display average monthly climate and weather indicators in Allentown Pennsylvania. Temperature by: Fahrenheit / Centigrade Allentown Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Avg. Temperature 26.6 29.3 39.4 49.7 60.3 69.4 74.1 72.2 64.7 53.2 43.1 31.8 51.2 Avg. Max Temperature 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 Avg. Min Temperature 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 Days with Max Temp of 90 F or Higher 0.0 0.0 0.0 < 0.5 1.0 3.0 7.0 4.0 1.0 < 0.5 0.0 0.0 16.0 Days with Min Temp Below Freezing 28.0 25.0 20.0 6.0 < 0.5 0.0 0.0 0.0 < 0.5 4.0 15.0 26.0 123     Allentown Heating and Cooling Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Heating Degree Days 1190 1000 794 459 183 10.0 0.0 8.0 82.0 373 657 1029 5785 Cooling Degree Days 0.0 0.0 0.0 0.0 38.0 142 282 231 73.0 7.0 0.0 0.0 773     Allentown Precipitation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Precipitation (inches) 3.2 3.0 3.3 3.5 4.2 3.8 4.1 4.3 3.9 2.9 3.9 3.5 43.5 Days with Precipitation 0.01 inch or More 11.0 10.0 11.0 11.0 12.0 11.0 10.0 10.0 9.0 8.0 10.0 11.0 125 Monthly Snowfall (inches) 9.1 9.2 5.9 0.6 < 0.05 0.0 0.0 0.0 0.0 0.1 1.3 6.1 32.3     Other Allentown Weather Indicators Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual Average Wind Speed 10.4 10.8 11.2 10.6 9.0 8.2 7.2 6.8 7.3 8.0 9.3 9.6 9.0 Clear Days 7.0 7.0 8.0 7.0 7.0 8.0 8.0 9.0 9.0 10.0 7.0 7.0 94.0 Partly Cloudy Days 8.0 8.0 8.0 9.0 11.0 11.0 12.0 11.0 9.0 9.0 8.0 7.0 110 Cloudy Days 16.0 13.0 15.0 14.0 14.0 11.0 11.0 11.0 12.0 12.0 15.0 17.0 161 Percent of Possible Sunshine 43.0 48.0 53.0 46.0 53.0 62.0 57.0 61.0 58.0 57.0 49.0 45.0 53.0 Avg. Relative Humidity 62.0 69.0 66.5 63.5 63.5 65.5 68.0 69.5 72.0 71.5 68.5 69.0 71.5

Weather information for other cities in Pennsylvania • Avoca Weather • Erie Weather • Harrisburg Weather • Middletown / Harrisburg Weather • Philadelphia Weather • Pittsburgh Weather • Williamsport Weather