Winters in Piraeus, Greece are mild and temperate, with temperatures ranging from just below freezing to moderate highs around 20°C. As the season transitions into spring, temperatures gradually rise, reaching average highs of 14°C by April. Summer brings sweltering heat, with July and August often seeing temperatures soar above 40°C. Autumn is a welcome respite from the summer's intensity, with temperatures cooling down to around 17°C by October. In contrast, winters are relatively mild and stable, with little fluctuation in temperature throughout the season.