Williamsport (PA) monthly weather averages

Contents

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Williamsport

Williamsport average temperature chart (Celsius) Williamsport average temperature chart (Fahrenheit)
Average monthly temperatures in Williamsport (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -0.2 1.5 7.5 14.3 20.4 24.9 27.3 26.3 22.2 16 9 2.4
°F 31.7 34.7 45.5 57.8 68.8 76.8 81.1 79.4 72 60.7 48.3 36.3

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Williamsport monthly rainfall chart (mm) Williamsport monthly rainfall chart (inches)
Average monthly rainfall in Williamsport (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 61 64 80 80 94 104 98 86 84 77 89 72
inches 2.4 2.5 3.1 3.2 3.7 4.1 3.8 3.4 3.3 3 3.5 2.8
Rainy days 12 12 13 13 14 12 11 11 10 11 13 13

Average annual rainfall in Williamsport: 952.667mm (375.1 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Williamsport

Williamsport average daily sunshine chart
Average daily sunshine Williamsport
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 4.5 5.4 6.6 7.8 8.9 10.1 10.4 9.3 7.6 6.2 4 3.4

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Williamsport average minimum / maximum temperatures (Celsius) Williamsport average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Williamsport (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -9.1 -8.2 -3 2.4 7.9 12.8 15.5 14.8 10.7 4.6 0.2 -5.4
Max °C 0 1.8 7.8 14.6 20.8 25.2 27.6 26.6 22.5 16.3 9.3 2.6
Min °F 15.7 17.3 26.7 36.3 46.1 55 59.8 58.6 51.3 40.2 32.3 22.3
Max °F 23.9 26.2 36.3 47.3 57.7 66.2 70.7 69.3 61.9 50.7 40.5 29.5

Sea temperature

The graph below shows the average sea temperature.

Williamsport average sea temperature chart (Celsius) Williamsport average sea temperature chart (Fahrenheit)
Average sea temperature around Williamsport in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3 1.8 2 4.1 8.4 15.3 21 22.6 20.3 15.2 10 5.7
°F 37.4 35.2 35.6 39.4 47.1 59.5 69.9 72.6 68.5 59.4 50.1 42.2

Wind speed

The graph below shows the average wind speed.

Williamsport average winspeed by month (km/h) Williamsport average winspeed by month (mph)
Average wind speed in Williamsport (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 17 17 14 13 12 12 12 13 16 16
mph 10 10 10 10 9 8 7 7 7 8 10 10

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Williamsport relative humidity averages
Average relative humidity in Williamsport
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
70% 68% 65% 62% 67% 72% 73% 76% 78% 74% 73% 72%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Williamsport weather stats

Williamsport weather statistics
Hottest month: July 27.3°C 81.1°F
Driest month: January 61mm 2.4ins
Sunniest month: July 10.4hrs
Coldest month: January -0.2°C 31.6°F
Wettest month: June 104mm 4.1ins
Warmest sea: August 22.6°C 72.7°F
Map showing location of Williamsport (41.24119, -77.00108) Williamsport map pin © Google

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