Yangsan, South Korea experiences a continental climate with distinct seasonal variations. Winters are harsh and cold, with temperatures often dropping below freezing in January (-14C to 16C) and December (-11C to 15C), but also experiencing occasional mild days. Spring arrives in March, bringing warmer temperatures (up to 24C on average), while April and May see a steady rise in temperature, reaching averages of 15C and 18C respectively. Summer is hot and humid, with July and August seeing highs above 30C (27C and 26C on average). Autumn brings a welcome respite from the heat, with September's temperatures ranging from 15C to 31C, before dropping again in October and November.