average temperature pittsburgh
Average Temperatures for Pittsburgh. Pittsburgh's coldest month is January when the average temperature overnight is 19.9Â°F. In July, the warmest month, the average day time temperature rises to 82.7Â°F.The driest month in Pittsburgh is October with 2.25 inches of precipitation, and with 4.12 inches June is the wettest month.n July, the warmest month, the average day time temperature rises to 82.7Â°F. The driest month in Pittsburgh is October with 2.25 inches of precipitation, and with 4.12 inches June is the wettest month.