The weather in Fourni is mainly the Mediterranean with rain and strong winds during the winter and high temperatures in the summer period. Snowfalls in winter are very rare, although the strong winds keep the temperature bit low. May till September are the best months to visit Fourni, when the temperature is high (can reach 40oC) and you can enjoy swimming. In July and August, the meltemia winds blow in the evening that makes the atmosphere more comfortable. The bad thing is frequently these winds raise high waves.