Mostar experiences a moderate climate with distinct seasons. Winters are cool and unpredictable, with temperatures often below freezing in January and February, but can rise to mild warmth by the end of winter. Spring is marked by gradual warming, with temperatures rising steadily from March to May. Summers are warm to hot, with July typically being the hottest month, while August experiences a slight drop in temperature. Autumn brings a return to milder weather, with cooler temperatures returning in October and November.