Istanbul weather

Our guide to the weather in Istanbul during July

29

Average high

7

UV Index

26mm

Monthly rainfall

24

Sea temperature

Istanbul is a vibrant city where East meets West. It's best known for its stunning historical sites, bustling bazaars, and delicious cuisine. We've looked at the most up-to-date weather data for Istanbul, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Istanbul weather in July.

How warm is it in Istanbul during July?

July is typically the hottest month in Istanbul. The temperature hits about 29℃ during the day, falling away to a balmy 23℃ at night.The UV index will be high at this time of year, so protection against skin and eye damage is needed. Try to limit exposure between 10am and 4pm. Apply broad spectrum SPF 30+ sunscreen every few hours, even if it's cloudy, or more frequently after sweating or swimming, and wear UV-blocking sunglasses too, and bear in mind that bright surfaces, such as sand and water increase UV exposure.

Does it rain in Istanbul during July?

On average, in July you'll see rain on just one day in the month. In other words, you shouldn't see any of the wet stuff. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Istanbul during July?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during July. With moderate humidity, any breeze will have a welcome cooling effect.

How warm is the sea in Istanbul during July?

The water temperature around Istanbul reaches a pleasant 24℃ during July. While generally considered warm, some people might find it a little on the cool side on entering the water. The hot air temperature will mean that you will feel comfortably warm when coming out of the water.

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Books inspired by Istanbul

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Istanbul Blog posts

From the UK's most popular travel bloggers

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3 Days in Istanbul: The Ultimate First-Time Travel Itinerary

30th April 2026 by The Wandering Quinn

For those contemplating a three-day escape to Istanbul, this itinerary is designed to guide you through the city's most iconic landmarks while allowing you to immerse yourself in its vibrant local culture. Three days strikes the ideal balance for a first-time visit, as it was for the author on their inaugural trip. Since then, they have returned to Istanbul numerous times and even called it home for a while, gaining invaluable insights along the way....

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10 Best Things to Do in Üsküdar (Asian side of Istanbul)

3rd March 2026 by The Wandering Quinn

If you're seeking an authentic experience in Istanbul, Üsküdar on the Asian side is a must-visit. This charming district boasts stunning waterfront views, impressive mosques, and a glimpse into local life that feels refreshingly away from the tourist trail. It took several trips for this hidden gem to come onto my radar, but now it's a highlight of my Istanbul adventures. Here are ten of the best things to do in Üsküdar that will make your visit truly memorable....

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Cruising Istanbul to Athens and the Ultimate Ancient Mediterranean Treasures

19th February 2026 by Inside the Travel Lab

Embarking on a cruise from Istanbul to Athens offers a unique opportunity to uncover the ancient treasures of the Mediterranean. From stunning historical sites to vibrant cultures, this journey promises to reveal more than just picturesque views. Join in as we explore the remarkable gems that await along this captivating route....

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Best Istanbul Tour & Travel Agencies in 2026

18th February 2026 by Coco Butter Blog

Considering a trip to Istanbul? It’s no surprise—this vibrant city boasts over 2,000 years of rich history in every corner. However, planning your itinerary can feel overwhelming. The good news is that you don’t have to navigate it all alone. Engaging a reputable tour company can simplify your experience and help you make the most of your time in this captivating destination. In this post, we’ll explore some of the best tour and travel agencies in Istanbul for 2026, ensuring you have a...

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Nobody Visits This Part of Istanbul! Çarşamba, Turkey

6th February 2025 by Jason Billam

Join Jason as he uncovers the hidden gems of Istanbul's lesser-known neighbourhoods on the European side. Starting in the charming area of Vefa, he journeys through the vibrant streets of Çarşamba, before concluding his adventure in the colourful district of Balat, where he indulges in a delicious meal at a renowned kebab spot. This exploration promises to reveal a side of Istanbul that many overlook....

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Istanbul Turkish Street Food Tour 2024

6th February 2025 by Jason Billam

Join Jason on a culinary adventure through the vibrant streets of Istanbul as he indulges in some of the finest Turkish street food the city has to offer. From the iconic simit at Galata Simitçisi to the mouth-watering fish wraps at Sokak Lezzeti, this video showcases a delightful array of snacks and dishes that capture the essence of Turkish cuisine. With stops at renowned eateries like Hafiz Mustafa 1864 and Tarihi Odabaşı Çiğbörekçisi, viewers can expect a feast for the senses. Get...

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Discover Istanbul: 10 Must-See Attractions for Your Turkish Adventure

12th January 2025 by Travel Vixta

Nestled between two continents, Istanbul is a captivating city bursting with history, culture, and charm. With its magnificent mosques and lively markets, this bustling metropolis offers a little something for every type of traveller. Whether you're a history enthusiast, a......

Weather in Istanbul

Our month-by-month guide to the weather and climate in Istanbul

8.8

Istanbul weather in

January
9.9

Istanbul weather in

February
11.8

Istanbul weather in

March
15.9

Istanbul weather in

April
21.5

Istanbul weather in

May
26.1

Istanbul weather in

June
28.6

Istanbul weather in

July
28.6

Istanbul weather in

August
25.1

Istanbul weather in

September
20.0

Istanbul weather in

October
16.1

Istanbul weather in

November
11.4

Istanbul weather in

December