Mountain weather is also highly unpredictable. Upper Average temperature in Greek Islands in August: 18°C to 29°C (64°F to 84°F) Average sea Temperature in Greek Islands in August: 24°C (75°F) Notes: August has the highest temperatures in the Greek Islands and is peak season.Events: August is the month for classical culture and art in Greece, starting with the International Classical Musical Festival of the Average temperature in Greek Islands in September: 16°C to 24°C (61°F to 75°F)Average sea Temperature in Greek Islands in September: 23°C (73°F) Average temperature in Greek Islands in October: 11°C to 21°C (52°F to 70°F) Average temperature in Greek Islands in November: 9°C to 20°C (48°F to 68°F)Average sea Temperature in Greek Islands in November: 19°C (66°F) Events: The International Film Festival at the port of Average temperature in Greek Islands in December: 6°C to 17°C (43°F to 63°F) Average sea Temperature in Greek Islands in December: 16°C (61°F) Notes: This is the rainy season in the Greek Islands and December is the wettest month of the year. These months may even be preferable to summer, because it can get uncomfortably hot in peak season.
Dew Point: 50 °F. Winters are mild and wet - somewhat akin to an English spring. (mph) Rain/Snow. Fortunately, the islands are visited by the cooling "Meltemi" winds - sea breezes that blow from the north and north-west. Everywhere the summers are hot and dry with brilliant light and clear skies. For the cool and wet months, carry a light raincoat, a warm jersey or two, and some synthetic trousers that dry easily.
Comfortable walking shoes are advisable for treks. With so much alarming news surrounding COVID19, here's someGreece is a large and topographically diverse country so there are many different climates. Higher altitude means colder temperatures, more clouds and higher rainfall. Temperatures are in the 80s, tempered only by the northern meltemi winds which can blow fiercely for days at a time in August.
The temperature will generally be in the low to mid-teens, although a sunny day can sometimes see the temperature creep up towards 20°C.Greece is one of Europe's most mountainous countries, with over four-fifths of the country consisting of mountains or hills.
Weather in Greece is fairly uniform throughout the mainland and the Greek islands.
Last updated: Tu, 25 Aug, 15:55 BST. All Year Climate & Weather Averages in Greek Islands. Olympus at 2917m. The Greek islands have a Mediterranean climate, with mild, rainy winters and hot, sunny summers.
However, there are some differences that are worth considering. Last 2 weeks of weather.
The islands have been grouped according to the archipelago to which they belong, in the following pages: Cyclades. Average temperature in Greek Islands in May: 12°C to 24°C (54°F to 75°F)Average sea Temperature in Greek Islands in May: 17°C (63°F)Notes: This is a great month for budget holidays in Greece as the weather is good and the prices are relatively low. The Mediterranean climate of Greece prevails over these islands, characterised by a hot, dry summer and a mild, but wet winter. Summer weather in the islands begins in May with daily highs in the mid-20s. High Temp: 93 °F. alternative is to visit in the winter.
The Greek Islands are where most holidaymakers choose to go.
The winds are strongest in July and August when they are needed the most.Mid-May to Mid-September is very dry, while July and August are unlikely to see any rainfall at all. By July the daytime temperature is often in the 30s. Events: Christmas celebrations in Greece will begin in early December and there will be many festivals and events in the Greek Islands.