Discover Cyclades
Kythnos is famous for the iconic Kolona beach · a sandbar connecting the island to an islet, creating a sea on both sides. It is also a major hub for yachting due to its proximity to Athens.
Best Months
June & September
Air Temp
27°C
Sea Temp
24°C
Peak Crowds
High
The best time to visit Kythnos is June, September. These months offer ideal weather (around 25°C), warm sea temperatures and fewer crowds than peak season. May, June, September are excellent shoulder-season options.
In August, Kythnos experiences High crowd levels during the Greek holiday season and prime Meltemi winds. Prices are at their peak (€€€).
Kythnos is heavily influenced by the Meltemi winds between June and September. This keeps the island cool but can affect high-speed ferry crossings.
July-August
May, June, September
October-April