Wanderlust World Wanderlust World Pittsburgh, Pennsylvania, is one of the largest cities in the northern United States. A 2006 Census Bureau estimate put the population at more than 312,000. Pittsburgh is cold in the winter months and mild but manageable in the summer.
According to Weather.com, winters in Pittsburgh are generally cold, with an average high temperature of 42 degrees Fahrenheit in December, 37 degrees in January and 39 degrees in February. Nighttime lows dip below the freezing mark in each month, with an average of 25 degrees in December, 20 degrees in January and 21 degrees in February.
Pittsburgh's spring season brings a steady increase in average outdoor temperature. The city averages highs of 50 degrees in March, 62 degrees in April and 71 degrees in May. Low temperatures rise from 29 degrees in March to 38 degrees in April and 48 degrees in May.
Pittsburgh's outdoor temperatures are generally steady through the summer. The city averages 80 degrees in June and reaches a yearly high of 85 degrees in July, settling back to 83 degrees in August. Low temperatures go from 56 degrees in June to 62 degrees in July and back down to 60 degrees in August.
September sees an average high of 76 degrees, followed by 64 degrees in October and just 53 degrees in November. The low temperatures plummet from 53 degrees in September to 41 degrees in October and 33 degrees in November, barely above the freezing mark.