The nation's sixth-largest city spreads across 142 square miles where the Schuylkill and Delaware Rivers meet, creating a major East Coast port. The metropolitan area's 6.2 million residents experience humid summers in the upper 80s and cold winters averaging 22 inches of snow. Philadelphia's historic neighborhoods include colonial architecture from the nation's founding alongside modern development. The city's grid layout extends across flat coastal plain, with Fairmount Park's 2,000 acres providing green space. Spring brings pleasant temperatures and blooming cherry blossoms, while fall features vibrant foliage in surrounding suburbs. Mid-Atlantic location creates variable weather with rapid temperature changes.
