Heybeliada Weather & Climate: Best Time to Visit

Monthly Temperature in Heybeliada

Visitors to Heybeliada can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 28°C (82°F) in August. In February, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).

At night, temperatures range from around 22°C (72°F) in August to 5°C (41°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Heybeliada

Generally, Heybeliada experiences moderate precipitation patterns, averaging 761 mm (30 in) yearly. Heybeliada can be quite wet during December, receiving approximately 108 mm (4.3 in) of precipitation over 17 rainy days.

In contrast, during the driest month (July), you will experience much drier conditions, with 26 mm (1 in) of precipitation spread across 4 rainy days days. For more details, please visit our Heybeliada Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sunshine Hours in Heybeliada

Heybeliada can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 10.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.0 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

Water Temperature in Heybeliada

The mean water temperature over the year ranges from 8°C (46°F) in February to 25°C (77°F) in July.

Water temperature over the year