Discover Cyclades
Syros is not a typical holiday island; it is the administrative capital of the Cyclades. Ermoupoli is a neoclassical city, vibrant year-round.
Best Months
April & May
Air Temp
26°C
Sea Temp
23°C
Peak Crowds
High
The best time to visit Syros is April, May, July, September, October. These months offer ideal weather (around 24°C), warm sea temperatures and fewer crowds than peak season. April-June, September-October are excellent shoulder-season options.
In August, Syros experiences High crowd levels during the Greek holiday season and prime Meltemi winds. Prices are at their peak (€€€).
Syros 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
April-June, September-October
Year-Round (it's the capital)