Williamsport

The tables below display average monthly climate and weather indicators in Williamsport Pennsylvania.

Temperature by: Fahrenheit / Centigrade

Williamsport Temperature Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Avg. Temperature25.228.038.149.159.567.872.370.863.552.041.830.949.9
Avg. Max Temperature33.336.647.760.171.179.083.181.273.862.449.937.959.7
Avg. Min Temperature17.119.228.538.147.956.661.560.553.141.633.623.940.1
Days with Max Temp of 90 F or Higher0.00.00.0< 0.51.03.06.03.01.0< 0.50.00.013.0
Days with Min Temp Below Freezing28.025.021.08.01.00.00.00.0< 0.55.015.025.0128
 
Williamsport Heating and Cooling Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Heating Degree Days1234103683447720030.00.09.010640869610576087
Cooling Degree Days0.00.00.00.029.011422918961.00.00.00.0622
 
Williamsport Precipitation Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Precipitation (inches)2.52.83.23.23.94.34.03.43.43.33.73.040.7
Days with Precipitation 0.01 inch or More12.011.013.013.013.012.011.011.010.010.012.012.0140
Monthly Snowfall (inches)11.010.08.21.20.0< 0.05< 0.05< 0.050.00.13.08.341.8
 
Other Williamsport Weather Indicators Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Average Wind Speed8.98.89.19.17.86.96.45.96.16.78.08.47.7
Clear Days5.05.06.06.05.06.06.06.06.07.04.04.067.0
Partly Cloudy Days7.07.08.08.010.012.013.013.011.09.07.07.0110
Cloudy Days19.016.017.016.015.012.012.012.014.015.019.020.0188
Percent of Possible Sunshine0000000000000
Avg. Relative Humidity65.069.067.564.564.567.570.572.574.573.569.569.572.5

Weather information for other cities in Pennsylvania

Portions of this site are based on the CIA World Fact Book, a public-domain work
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