Information about the Weather in Dodecanese islands, in Greece but also information about the weather in many islands of the group (average temperatures and forecast): The climate in Dodecanese islands is mild and ranges from temperate to dry, with lots of sunlight and a long summer period. The best period to travel in the Dodecanese islands is from May to September when the weather is hot and perfect for beach swimming. In the summer months, you will encounter some meltemia winds (strong northern winds) that make it great for windsurfing, although these winds are more frequent in the Cyclades.
The winter is somehow unpredictable with rain and low temperatures. However, most days are sunny and bright. In fact, Rhodes has 300 days of sunshine per year, which makes it a great place to visit all year round.