Glyfada's winters are cool and unpredictable, with temperatures often dropping below freezing in January and February. As spring approaches, temperatures gradually warm up, reaching averages of around 14°C by April and 21°C by May. Summer is hot and dry, with July and August being the warmest months, averaging highs above 30°C. In autumn, temperatures begin to drop again, but remain mild, ranging from 8-25°C in October and November. Winters are generally milder than those experienced in northern Europe, but can still be quite chilly on occasion.