Canonsburg is a city located in Pennsylvania. With a current population of 8,757, it is the 82nd largest city in Pennsylvania and the 3371st largest city in the United States. Spanning over 2 miles, the city has a population density of 3,791 people per square mile.

January has the coldest night time temperatures for Canonsburg with an average of 20.0°F. July, on the other hand, is easily the hottest with an average high-temperature of 82.1°F. Furthermore, May is the month with the most rainfall while October still proves to be the driest.