West Mifflin (PA) monthly weather averages

Contents

Average daytime temperature

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

West Mifflin average temperature chart (Celsius) West Mifflin average temperature chart (Fahrenheit)
Average monthly temperatures in West Mifflin (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 1.5 3.3 9.8 16 21.8 26.3 28.4 27.4 23.9 17.4 10.8 4.2
°F 34.8 37.9 49.6 60.9 71.3 79.4 83.1 81.2 74.9 63.3 51.5 39.6

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 Mifflin monthly rainfall chart (mm) West Mifflin monthly rainfall chart (inches)
Average monthly rainfall in West Mifflin (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 66 64 89 87 98 100 106 89 81 65 78 76
inches 2.6 2.5 3.5 3.4 3.8 3.9 4.2 3.5 3.2 2.6 3.1 3
Rainy days 16 14 15 14 13 12 11 10 10 11 13 17

Average annual rainfall in West Mifflin: 959.4mm (377.7 inches)

Average daily sunshine

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

West Mifflin average daily sunshine chart
Average daily sunshine West Mifflin
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 3.3 4.2 5.5 6.6 7.6 8.6 8.6 7.8 6.9 5.8 3.3 2.5

Day / night temperatures

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

West Mifflin average minimum / maximum temperatures (Celsius) West Mifflin average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in West Mifflin (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -7.6 -6.7 -1.7 3.5 8.9 13.6 16.1 15.4 11.7 5.3 1 -4.3
Max °C 1.8 3.5 10.1 16.4 22.2 26.7 28.7 27.7 24.2 17.7 11.1 4.5
Min °F 18.4 19.9 29 38.2 47.9 56.4 61 59.6 53 41.5 33.7 24.4
Max °F 26.8 29.1 39.6 49.8 59.9 68.2 72.3 70.7 64.2 52.7 42.8 32.2

Sea temperature

The graph below shows the average sea temperature.

West Mifflin average sea temperature chart (Celsius) West Mifflin average sea temperature chart (Fahrenheit)
Average sea temperature around West Mifflin in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.1 3.1 3.2 5.4 10.4 17.3 22.3 23.3 21.1 16.2 11 6.6
°F 39.4 37.5 37.8 41.8 50.7 63.1 72.2 74 70 61.1 51.7 43.9

Wind speed

The graph below shows the average wind speed.

West Mifflin average winspeed by month (km/h) West Mifflin average winspeed by month (mph)
Average wind speed in West Mifflin (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 17 18 17 15 13 12 11 12 14 17 17
mph 11 11 11 11 9 8 7 7 7 9 10 11

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 Mifflin relative humidity averages
Average relative humidity in West Mifflin
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
71% 68% 66% 62% 65% 68% 71% 73% 74% 70% 71% 73%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

West Mifflin weather stats

West Mifflin weather statistics
Hottest month: July 28.4°C 83.1°F
Driest month: February 64mm 2.5ins
Sunniest month: July 8.6hrs
Coldest month: January 1.5°C 34.7°F
Wettest month: July 106mm 4.2ins
Warmest sea: August 23.3°C 73.9°F
Map showing location of West Mifflin (40.3634, -79.86644) West Mifflin map pin © Google

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