Like all Ionian Islands, Cephalonia enjoys a moderate Mediterranean climate. Summers are warm, dry and sunny, while winters are wet and mild. Heavy rainfall gives Cephalonia its lush vegetation. Snow sometimes covers its mountain peaks in winter.Summer is the most popular time to visit the island, even though the heat and humidity can be overpowering for some. July and August are the hottest months and the peak tourism season.Spring is a good time to visit. Crowds are lighter and the water is warm enough for swimming. The island is also lush and lovely after its winter rainy period.Autumn is another pleasant season. Visitors can expect warm seas, ripe fruit ready for harvest, and sunny weather.