On this page you find the mean water temperature over the year in Heybeliada (the Marmara Region), Turkey. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.
Heybeliada experiences water temperature shifts throughout the year. The warmest month, July, reaches an average of 25°C (77°F).
The coldest month, February, averages 8°C (46°F). Visitors during these months can leave their swimming gear at home.
Pick a month to see the average temperature, rainfall and sunshine in Heybeliada - and find the best time to visit.
Temperature Rainfall Sunshine Water Temp
See the full Heybeliada climate overview or explore weather in Turkey.
Where to go in September - average daytime high across popular destinations.
Antalya
31°C (88°F) Side
30°C (86°F) Fethiye30°C (86°F) Oludeniz30°C (86°F) Alanya28°C (82°F) Alacati
26°C (79°F) Istanbul25°C (77°F) Trabzon
23°C (73°F) Need travel inspiration? Check out our bucket list articles and be inspired.
An idyllic and beautiful place to stay and eat near Saklikent National Park in Turkey
Serene Saklikent National Park near Fethiye, Turkey, with breathtaking gorges, tranquil restaurant, and unique experiences in nature. Perfect for a peaceful escape.
Sailing the Turquoise Coast: Discovering Turkey's Blue Voyage
Discover the beauty of Turkey's Turquoise Coast on a sailboat adventure, exploring ancient ruins, sun-soaked beaches, and lively harbor towns.
Balloon in Cappadocia Turkey
The best view of the special landscape of Cappadocia is from the air. It is a great idea to take a balloon trip at sunrise. An experience that belongs on your bucket list.
Istanbul, where East meets West
Istanbul, one of the most amazing cities in the world. It's a buzzing city and a mix of European and Asian, like a summer day in Madrid with a touch of Bangkok.
