Kos is one of several regions in Greece, with temperatures that range from 15°C (59°F) in February to 28°C (82°F) during the peak of August. We've based our full climate overview on data from Kos Town, 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 Kos during May, June, September, October and November is comfortably warm, with average temperatures ranging from 20°C (68°F) to 26°C (79°F).
When it comes to rainfall, Kos sees significant variations throughout the year. December tends to be the wettest, receiving 184 mm (7.2 in) of rain, while August is much drier with just 0 mm (0 in). For those seeking drier weather, May, June, July, August and September typically see minimal rainfall, never exceeding 16 mm (0.6 in).
July is the sunniest period, with ideal conditions for exploring the region and all it has to offer.