Keratsini's winters are mild and temperate, with temperatures ranging from around freezing point in January and February to a relatively warm average of 11°C by March. Spring brings a steady rise in temperatures, reaching an average high of 28°C in April. Summers are hot and dry, with July and August often seeing temperatures soar above 40°C. Autumn is mild, with September being the warmest month of the season, but temperatures drop significantly by November. Winters return, bringing cooler temperatures back to the area by December.