West Chester (PA) monthly weather averages

Contents

Average daytime temperature

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

West Chester average temperature chart (Celsius) West Chester average temperature chart (Fahrenheit)
Average monthly temperatures in West Chester (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 3.2 5 10.7 16.7 22.5 27.3 29.6 28.7 25.2 18.8 12.6 6
°F 37.8 40.9 51.2 62 72.5 81.2 85.3 83.7 77.3 65.8 54.8 42.8

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.

West Chester monthly rainfall chart (mm) West Chester monthly rainfall chart (inches)
Average monthly rainfall in West Chester (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 87 77 94 98 108 102 117 102 103 81 99 95
inches 3.4 3 3.7 3.8 4.3 4 4.6 4 4 3.2 3.9 3.7
Rainy days 11 10 10 11 11 10 10 9 8 8 10 11

Average annual rainfall in West Chester: 1126.234mm (443.4 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in West Chester

West Chester average daily sunshine chart
Average daily sunshine West Chester
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 5.5 6.1 7.1 7.9 8.6 9.7 9.7 9.1 7.8 7.1 5.5 4.9

Day / night temperatures

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

West Chester average minimum / maximum temperatures (Celsius) West Chester average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in West Chester (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -6.1 -4.8 -0.4 4.7 10.2 15.4 18.1 17.2 13.2 6.6 2.3 -3.2
Max °C 3.5 5.2 11 17 22.8 27.6 29.9 29 25.5 19.1 12.9 6.2
Min °F 21.1 23.4 31.4 40.4 50.4 59.7 64.6 63 55.7 43.8 36.1 26.2
Max °F 29.7 32.4 41.5 51.4 61.7 70.7 75.2 73.6 66.7 55 45.7 34.7

Sea temperature

The graph below shows the average sea temperature.

West Chester average sea temperature chart (Celsius) West Chester average sea temperature chart (Fahrenheit)
Average sea temperature around West Chester in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.9 0.8 1.4 4.7 10 16.4 21.9 23.4 21.3 16.6 11.3 6.5
°F 37.2 33.5 34.5 40.4 49.9 61.6 71.5 74.2 70.3 61.9 52.3 43.8

Wind speed

The graph below shows the average wind speed.

West Chester average winspeed by month (km/h) West Chester average winspeed by month (mph)
Average wind speed in West Chester (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 18 19 18 16 14 13 13 13 14 16 17
mph 11 11 12 11 10 9 8 8 8 9 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.

West Chester relative humidity averages
Average relative humidity in West Chester
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
67% 65% 62% 61% 66% 68% 70% 72% 73% 71% 69% 69%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

West Chester weather stats

West Chester weather statistics
Hottest month: July 29.6°C 85.3°F
Driest month: February 77mm 3ins
Sunniest month: July 9.7hrs
Coldest month: January 3.2°C 37.8°F
Wettest month: July 117mm 4.6ins
Warmest sea: August 23.4°C 74.1°F
Map showing location of West Chester (39.96066, -75.60549) West Chester map pin © Google

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