Average water temperature in Istanbul

On this page you find the mean water temperature over the year in Istanbul (Marmara Region), Turkey. Get insights into the water temperature fluctuations and discover what they mean for visitors.

Istanbul experiences water temperature shifts throughout the year. The warmest month, July, reaches an average of 25°C.

The coldest month, February, averages 8°C. Visitors during these months can leave their swimming gear at home.

Forecast for Istanbul

Mon Jan 06

11°C | 6°C

4 m/s

almost clear and no rain

hourly forecast

Tue Jan 07

14°C | 9°C

4 m/s

partly cloudy and no rain

hourly forecast

Wed Jan 08

16°C | 12°C

6 m/s

partly cloudy and no rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

This site provides you with all the information you need about the climate in Istanbul.

Our site offers climate and forecast data for every country in the world. Are you going to Turkey? On this website you can find historical weather averages for many cities in Turkey. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Travel Inspiration

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.

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.

) ?>