Whether you're visiting Syros in Greece during the peak of August (27°C (81°F)) or the cooler months around January (14°C (57°F)), knowing what to pack starts with understanding the local climate. Our overview is based on data from Ermoupoli, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Syros during May, June, July, August, September and October is comfortably warm, with average temperatures ranging from 21°C (70°F) to 27°C (81°F).
When it comes to rainfall, Syros sees significant variations throughout the year. January tends to be the wettest, receiving 80 mm (3.1 in) of rain, while July is much drier with just 0 mm (0 in). May, June, July, August and September marks the driest time of year, with rainfall falling below 10 mm (0.4 in).
