Geography According to the U.S. Census Bureau, the township has a total area of 17.2 square miles (44.7 km2), of which 16.9 square miles (43.7 km2) is land and 0.4 square mile (1.0 km2) (2.20%) is water. Upper Merion has a hot-summer humid continental climate (Dfa) and the hardiness zone is 7a. It is drained by the Schuylkill River which forms its natural northern and eastern boundary.
geography according to the us census bureau the township has a total area of 172 square miles (447 km2) of which 169 square miles (437 km2) is land and 04 square mile (10 km2) (220%) is water upper merion has a hot-summer humid continental climate (dfa) and the hardiness zone is 7a it is drained by the schuylkill river which forms its natural northern and eastern boundary