Climate & weather in Turkey during summer

Turkey’s coast is absolutely beautiful, and it is a very popular destination for cruising and a homeland for gulet cruises. Yachters and sailors from all over the world can expect a Mediterranean climate of long, hot summers that also extend far into October. If you wonder when is the summer in Turkey, then the best answer is from mid-May until mid-October. Here are some highlights about the climate, wind, and temperature in the summer months from May to October.

What’s the weather like in Turkey in May?

• Air temperature: average 25 °C, 16°C at night
• Humidity: 71%      
• Wind: 9 Mph      
• Sea temperature: 19/20ºC

The coastal region of Turkey has beautifully hot Mediterranean summers and mild winters. In May, you can expect warm sunny weather with low chances of rain. This is, of course, a great time for a cruise and enjoyment in super nice weather while avoiding the heavy crowds typical for high season.

The average daily temperature is 21°C, which is perfect for exploration on land, and as the day goes by, in the afternoon temperature may rise to still comfortable 26°C, which can go as low as 16°C at night, so we recommend bringing a few long sleeves.

If you want to enjoy the turquoise sea, you will be refreshed by 19°C - the ideal temperature for divers.

What’s the weather like in Turkey in June?

• Air temperature: average 30°C, 20°C at night
• Humidity: 69%     
• Wind: 11 Mph      
• Sea temperature: 22ºC

The hot summer months can be felt in June, which can get sunny and hot. The average temperature is 25°C, but it can get up to 30°C, so sun protection is advised for everyone spending time outdoors. Coastal towns are getting busier but not as busy as in August, so you can still enjoy a decent amount of privacy.

This time of the year is great for yachters because weather conditions are perfect for such activity, and it is unlikely you’ll experience any rain on your holiday at this time of year. As the sun goes down, the temperature will drop to a comfortable 20°C.

What’s the weather like in Turkey in July?

• Air temperature: average 30/34°C, 23°C at night
• Humidity: 66%      
• Wind: 13 Mph      
• Sea temperature: 24ºC

Temperatures are at their peak during this time of the year, so July is not recommended for those who wish to do a lot of exploring during the cruise. July can be very hot, so the best thing is to keep it easy, relax on the beach, and stay under the shade from 11 AM until at least 4 PM.

We recommend that you bring a high-factor sun cream. Temperatures can rise above 34ºC during the day, so best that you cool off in an air-conditioned cabin. July is ideal for a relaxed, easy-going holiday with lots of swimming and snorkeling at beautiful destinations.

What’s the weather like in Turkey in August?

• Air temperature: average 33°C, 23°C at night
• Humidity: 65%      
• Wind: 12 Mph      
• Sea temperature: 25ºC

August marks the peak of the high season in Turkey, with tourist crowds, and the weather becomes exceptionally sunny and hot. This makes it an ideal period to visit if you aim to relax on the beach or engage in watersports.

Due to the high temperatures during this time, traveling with young children requires extra precautions. If you choose to bring children along, ensure they have ample shade and apply plenty of sunscreen, particularly between 11 am and 3 pm when the sun is strongest.

In the evenings, temperatures cool down to a pleasant 22°C, ideal for enjoying dinner outdoors. Additionally, the Aegean Sea warms to approximately 25°C in August, offering comfortable conditions for swimming and other water activities.

What’s the weather like in Turkey in September?

• Air Temperature: average 28/29°C, 18°C at night
• Humidity: 66%      
• Wind: 11 Mph      
• Sea temperature: 24ºC

September in coastal Turkey remains warm and sunny throughout the month, with clear skies and very little chance of rain. Although temperatures are still high, it is generally more comfortable compared to the intense heat of August.

This month is perfect for exploring charming villages, stunning beaches, vibrant city centers, or other attractions according to your interests. With daytime temperatures averaging around 29°C, you will have ample opportunity to comfortably enjoy sightseeing and outdoor activities.

What’s the weather like in Turkey in October?

• Temperature air: average 24°C, 15°C at night
• Humidity: 63%      
• Wind: 10 Mph      
• Sea temperature: 22ºC

During this time of year, temperatures begin to cool slightly but remain comfortably warm, averaging around 25°C. This temperature is ideal for swimming and enjoying quality time with friends and family at the beach or onboard a yacht. Additionally, the low humidity makes it an excellent time for hiking or sightseeing.

Nighttime temperatures can drop to an average low of 15°C, and there is a moderate chance of rainfall. Meanwhile, sea temperatures remain pleasantly warm and refreshing at approximately 22°C.

May and October: off-season 

These months are ideal for those who want to avoid big tourist crowds and are just looking for privacy. In May and October, the most amazing gulets are still available and they come at the most affordable price, so you can save some money and invest it in, for example, the best quality food on board.

July and August: high season 

All the sun worshipers will enjoy these months since there is plenty of it! This is also the time when coastal destinations are the most lively and full of fun events. The downside for some may be the fact that prices are highest in this period because this is the high season. 

June and September: mid-season 

These are the best months for cruising because they offer the perfect blend of everything. You can enjoy the sunshine and slightly cooler temperatures. You will successfully avoid all the big crowds, but you’ll get to see that they are places are slowly getting busier.