Whether you're visiting Kythnos in Greece during the peak of August (28°C (82°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 Kíthnos, 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.
In Kythnos, during the months of May, June, September, October and November you can expect comfortable weather, with average temperatures ranging from 19°C (66°F) to 26°C (79°F).
When it comes to rainfall, Kythnos sees significant variations throughout the year. December tends to be the wettest, receiving 83 mm (3.3 in) of rain, while July is much drier with just 0 mm (0 in). Rainfall in May, June, July, August and September is at its lowest, remaining under 10 mm (0.4 in).
