The best time to go to Oinousses is during the shoulder seasons of May, early June, or September.
These months offer pleasant weather with comfortable temperatures, ideal for exploring the island without the intense heat of mid-summer. You'll find the seawater warm enough for swimming, and the island is generally less crowded than in July and August, allowing for a more relaxed and authentic experience.
Couples looking for a peaceful escape will particularly enjoy Oinousses during these times. The quieter atmosphere makes it great for romantic strolls along the harbour, enjoying unhurried meals at local tavernas, and finding secluded spots for swimming. You'll also find it easier to secure bookings for accommodation and dining.
For those interested in sailing or water activities, the winds are usually more favourable and consistent in the shoulder seasons, making for smoother sailing conditions around the archipelago.