Mortsel, Belgium experiences a cool and temperate climate with distinct seasonal variations. Winters are chilly, with temperatures often below freezing in January and February, but gradually warming up by March. Springs are mild, with temperatures rising steadily from April to June, reaching a pleasant average of 18°C by the summer solstice. Summers are warm, with July and August being the hottest months, but still relatively cool compared to other European cities. Autumn brings cooler temperatures, with September and October experiencing occasional frosts, before the cycle starts anew in winter.