Pennsylvania, abbreviated as Pennsylvania, is a state in the northeast of the United States and one of the 13 states. Pennsylvania borders Lake Erie in the northwest, new york in the north and northeast, New Jersey in the east, Delaware in the southeast, Maryland in the south, West Virginia in the southwest and Ohio in the west. 17871February 12. With the adoption of the federal constitution, Pennsylvania became the second state to join the federation.
climate
The climate in Pennsylvania is quite mild, with warm and humid summers and quite cold winters. Temperatures vary throughout the state, and the south and east are usually warmer than the north and west.
Located in the southeast of Philadelphia, the average temperatures in 1 month and July are 1. 1 Celsius and 25 Celsius respectively. Located in the southwest of Pittsburgh, the average temperature in 1 month is-2.2 degrees Celsius, and the average temperature in July is 23.9 degrees Celsius. The annual snowfall in this state is 5 1 cm in Philadelphia and 229 cm in Yili.