 Ledringhem is crossed by the small river Peene Becque, a tributary of the Franco-Belgian river Yser and there is one shorter tributary, the "Lyncke Becque", passing closer to the village center.Other small rivers are "Trommels Becque", "Putte Becque", "Platse Becque" and "Kaliszewski Becque".The climate in Ledringhem is oceanic with a mild summer (Köppen Classification