Princes' Islands Adalar

The Princes' Islands is an island group in Istanbul Province. It is an Important Bird Area and is one of the 35 most looked-up sights in Turkey on English Wikipedia.
Planning a visit
The warmest months are July and August, which have daily highs of 26 °C and approximately 4 to 5 rainy days. June has a daily high of 24 °C and about 10 rainy days, while May has a high of 19 °C and about 9 rainy days. In September, the high is 23 °C and in October, it is 19 °C with about 89 mm of rain. The coldest months are January and February, with daily highs of 8 °C and between 11 and 14 rainy days. December is the wettest month, with about 116 mm of rain and about 13 rainy days.
Istanbul Sabiha Gökçen International Airport is 18 km away, and the islands are 334 km from Ankara. The trip can be combined with visits to the Blue Mosque, Hagia Sophia, Basilica Cistern, Little Hagia Sophia, or the Historic Areas of Istanbul, all of which are located approximately 17.5 to 17.7 km away.
Weather by month
The warmest month is August, with an average high of 26 °C. The wettest is December, with about 116 mm of rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high, °C | 8 | 8 | 10 | 14 | 19 | 24 | 26 | 26 | 23 | 19 | 14 | 10 |
| Average low, °C | 5 | 5 | 6 | 10 | 14 | 19 | 21 | 22 | 19 | 15 | 11 | 7 |
| Rainfall, mm | 93 | 76 | 68 | 49 | 32 | 35 | 27 | 31 | 48 | 89 | 96 | 116 |
| Rainy days | 14 | 11 | 11 | 8 | 9 | 10 | 5 | 4 | 8 | 9 | 10 | 13 |
Temperatures and rainfall: 1981–2010 averages for this spot (4 km grid), from CHELSA. Rainy days: 2015–2024, NASA POWER.