Mass transit. A layover for mass transit is a short period of recovery time built into the schedule. Layovers are generally used for one or more of the following reasons: recover from delays, provide breaks for the driver, and/or allow time for a driver change. Delays may be caused by earlier traffic congestion or excess boarding times.
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.
To find out how often it rises over 70, 80 or 90 Â°F each month in Pittsburgh, scroll down farther. There are also monthly and yearly counts of days with cold weather. All the numbers are long-term historical averages based on climate data gathered from 1981 to 2010.