The best times to visit Pittsburgh for ideal weather are

April 30th to June 17th

or

September 10th to October 14th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 


Pittsburgh Travel Guide

  • Safety
  • The busiest and least popular months
  • Overall travel experience by time of year
  • Weather in Pittsburgh

    Temperature

    Average temperatures in Pittsburgh vary somewhat and are seasonally temperate. The area is in the top 78 percent of tourist destinations for pleasant weather. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Pittsburgh, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally mid-July where highs are regularly around 63.6°F (17.6°C) with temperatures rarely dropping below 48.8°F (9.3°C) at night.

    Pittsburgh Temperatures (Fahrenheit)

    Key
    High
    Average
    Low

    Pittsburgh Temperatures (Celsius)

    Key
    High
    Average
    Low

    “Feels-Like” Temperatures

    The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

    Pittsburgh Perceived Temperature (F)

    Key
    High
    Average
    Low

    Pittsburgh Perceived Temperature (C)

    Key
    High
    Average
    Low

     

    Average Pittsburgh Temperatures by Month

    Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

    Show Fahrenheit

    Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
    Jan 37.9 29.6 22.5
    Feb 38.7 29.8 22.3
    Mar 53.6 42.1 32.8
    Apr 65.8 53.7 43.2
    May 75.7 63.9 53.3
    Jun 81.4 70.5 60.7
    Jul 84.1 73.4 63.9
    Aug 82.9 72 62.5
    Sep 77.4 66.3 56.8
    Oct 65.4 54.8 45.9
    Nov 54.6 44.5 35.9
    Dec 45.3 36.9 29.7

    Show Celsius

    Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
    Jan 3.3 -1.3 -5.3
    Feb 3.7 -1.2 -5.4
    Mar 12 5.6 0.4
    Apr 18.8 12.1 6.2
    May 24.3 17.7 11.8
    Jun 27.4 21.4 15.9
    Jul 28.9 23 17.7
    Aug 28.3 22.2 16.9
    Sep 25.2 19.1 13.8
    Oct 18.6 12.7 7.7
    Nov 12.6 6.9 2.2
    Dec 7.4 2.7 -1.3

     

    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of precipitation in Pittsburgh are June, December, and then January. The lowest chance of rain or snow occurs around early September. For example, on the week of September 3rd there are only 2.2 days of precipitation on average. By contrast, it’s most likely to rain or snow in early January with an average of 4.4 days with significant precipitation the week of January 1st.

    When can you find snow in Pittsburgh? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

    Chance of Precipitation

    The graph below shows the % chance of rainy and snowy days in Pittsburgh.

    Key
    Days with precipitation

    Snow on the Ground

    The graph below shows the average snow on the ground in Pittsburgh (in).

    Key
    Snow depth

    Average Rain and Snow by Month

    Show Inches

    Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
    Jan 54.3 0 0.09
    Feb 51.4 0 0.08
    Mar 48.6 0 0.12
    Apr 50 0 0.12
    May 50 0 0.13
    Jun 55.7 0 0.16
    Jul 47.1 0 0.17
    Aug 44.3 0 0.13
    Sep 41.4 0 0.1
    Oct 51.4 0 0.11
    Nov 42.9 0 0.09
    Dec 55.7 0 0.14

    Show Centimeters

    Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
    Jan 54.3 0 0.23
    Feb 51.4 0 0.2
    Mar 48.6 0 0.3
    Apr 50 0 0.3
    May 50 0 0.33
    Jun 55.7 0 0.41
    Jul 47.1 0 0.43
    Aug 44.3 0 0.33
    Sep 41.4 0 0.25
    Oct 51.4 0 0.28
    Nov 42.9 0 0.23
    Dec 55.7 0 0.36

     

    Humidity and Wind

    Pittsburgh has slightly low to average humidity compared to most tourist destinations. The least humid month is April (44% relative humidity), and the most humid month is December (61.3%).

    Wind in Pittsburgh is usually moderate. The windiest month is January, followed by April and February. January’s average wind speed of around 6.3 knots (7.2 MPH or 11.7 KPH) is considered “light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early April where average top sustained speeds reach 13.8 knots, which is considered a moderate breeze.

    Relative Humidity (%)

    The graph below shows the average % humidity by month in Pittsburgh.

    Key
    Avg. Relative Humidity

    Wind

    The graph below shows wind speed (max and average) in knots.

    Key
    Max Sustained Wind
    Average Daily Wind

    Average Wind Speeds

    Show Wind Speeds

    All wind speeds are in knots.

    Month Avg. Wind Meaning (Beaufort) Avg. Maximum Sustained Wind Meaning (Beufort)
    Jan 6.3 a light breeze 12.3 a moderate breeze
    Feb 6.1 a light breeze 12.3 a moderate breeze
    Mar 5.9 a light breeze 11.8 a moderate breeze
    Apr 6.2 a light breeze 12.7 a moderate breeze
    May 4.7 a light breeze 10.5 a moderate breeze
    Jun 4.5 a light breeze 10.2 a gentle breeze
    Jul 4 a light breeze 9.4 a moderate breeze
    Aug 3.6 light air 8.6 a gentle breeze
    Sep 3.8 light air 8.9 a moderate breeze
    Oct 4.8 a light breeze 10 a gentle breeze
    Nov 5.4 a light breeze 10.8 a moderate breeze
    Dec 5.8 a light breeze 11.5 a moderate breeze

    Show Relative Humidity by Month

    Month Avg. Relative Humidity
    Jan 58.6
    Feb 56.8
    Mar 48
    Apr 44
    May 52.9
    Jun 60.1
    Jul 60.3
    Aug 60.8
    Sep 60.6
    Oct 58
    Nov 51.5
    Dec 61.3

     

    Is it Safe to Travel to Pittsburgh?

    As of 6/22/2017 there are no travel advisories or warnings for the United States; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories.
     

    The Busiest and Least Crowded Months

    The busiest month for tourism in Pittsburgh, PA (USA) is May, followed by July and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Pittsburgh in October. Those willing to visit at these times will likely find it the least expensive month.

    Estimated Tourism by Month

     

    Most Popular Months to Visit

    Key
    Tourists Seeking Accommodations

    Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Displayed data is calculated relative to the peak, so a score of 50.9 in October means 50.9% of the tourists vs. May.

    Overall Pittsburgh Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel moderately cold. Highs range from 61.2°F (16.2°C) and 32.2°F (0.1°C) with warmer temperatures in the later months. Rain is frequent with 15 to 16 days of precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.

    Summer (June through August)

    The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see moderate precipitation with 14 to 17 days of precipitation per month. June – August is busy season for tourism in Pittsburgh, so lodging and other accommodations may cost slightly more.

    Fall (September through November)

    Fall daily highs range from 61.9°F (16.6°C) and 37.6°F (3.1°C), which will feel chilly given the humidity and wind. It rains or snows a very great amount: 12 to 16 days per month. Tourism is the slowest during these months due to the weather, so hotels may be lower priced.

    Winter (December through February)

    Weather is far too cold this time of year in Pittsburgh to be enjoyable for warm weather travelers. The average high during this season is between 34.8°F (1.6°C) and 26.3°F (-3.2°C). On average, it rains or snows a great amount: 14 to 17 times per month. These times of year are fairly slow with tourists.

     


     

    Popular Destinations