Pittsburgh (PA) monthly weather averages

Average daytime temperature

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

Pittsburgh average temperature chart (Celsius) Pittsburgh average temperature chart (Fahrenheit)
Average monthly temperatures in Pittsburgh (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.

Pittsburgh monthly rainfall chart (mm) Pittsburgh monthly rainfall chart (inches)
Average monthly rainfall in Pittsburgh (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 Pittsburgh: 959.4mm (377.7 inches)

Average daily sunshine

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

Pittsburgh average daily sunshine chart
Average daily sunshine Pittsburgh
  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 8.7 7.8 7 5.8 3.3 2.5

Day / night temperatures

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

Pittsburgh average minimum / maximum temperatures (Celsius) Pittsburgh average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Pittsburgh (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.

Pittsburgh average sea temperature chart (Celsius) Pittsburgh average sea temperature chart (Fahrenheit)
Average sea temperature around Pittsburgh 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.

Pittsburgh average winspeed by month (km/h) Pittsburgh average winspeed by month (mph)
Average wind speed in Pittsburgh (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.

Pittsburgh relative humidity averages
Average relative humidity in Pittsburgh
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?

Pittsburgh weather stats

Pittsburgh weather statistics
Hottest month: July 28.4°C 83.1°F
Driest month: February 64mm 2.5ins
Sunniest month: July 8.7hrs
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 Pittsburgh (40.44062, -79.99589) Pittsburgh map pin © Google

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