Istanbul Weather in July
In Istanbul, July brings high daytime temperatures around 28°C (82°F), with nights cooling to 22°C (72°F). Some rainfall is to be expected.
Rainfall in Istanbul in July
Analyzing past climate data, one can expect approximately 4 days of rain, averaging 26 mm (1 in). When rain does fall, showers tend to be light and brief. Most days will be dry.
Temperature in Istanbul in July
July in Istanbul is generally perfect, with days reaching 28°C (82°F) and nights settling around 22°C (72°F). This kind of day-to-night contrast is typical for this time of year. Nights remain mild at 22°C (72°F), making evenings a pleasant time to be outdoors.
Sunshine in Istanbul in July
The days are predominantly sunny, with an estimated total of around 318 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Average water temperature in July
At 25°C (77°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.If you're inclined towards comfortable temperatures and drier conditions, July is a good time to visit Istanbul.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Turkey, check out our Istanbul's climate page.
Istanbul Temperature in July
Min Temperature
22°C (72°F)
Max Temperature
28°C (82°F)
Water Temperature
25°C (77°F)
Chance of Rain
13%
Precipitation
26 mm (1 in)
Rainy days
4 days
Sunshine
318 hours
Percentage Sunshine
69%
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Istanbul typically stay consistent throughout July, with daily highs averaging around 28°C (82°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in July
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in July
Historical weather for Istanbul in July
Browse day-by-day weather records for Istanbul spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Istanbul historical weather extremes in July
Our historical data for Istanbul spans 1989 to 2025, revealing these weather extremes.
- The warmest day in July was on July 26, 2023, with a maximum of 39°C (102°F).
- On July 14, 1993, Istanbul saw its coldest July day with temperatures maxing out at 21°C (70°F).
- Istanbul registered its coldest July night on July 10, 1998, with temperatures dropping to 13°C (55°F).
Best Places in Turkey in July
Find out more about the weather in Turkey and which places have the best travel conditions in this month. See all of Turkey in July →
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What to Wear in Istanbul in July
Warm but pleasant conditions in Istanbul in July. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. With water temperatures around 25°C (77°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Istanbul in July
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Turkey, check out our Istanbul's climate page.
Temperature Rainfall Sunshine Water Temp
See the full Istanbul climate overview or explore weather in Turkey.
