What July feels like in Istanbul
In Istanbul, July brings mid-summer. The midday hours are hot; shade and water matter on long walks. There is little difference between day and night: nights stay warm, and evenings feel much like the afternoon. Some humidity hangs in the air, noticeable when the sun is strong.
Rain in Istanbul in July
Rain turns up now and then — about one day in 8. A rainy day brings about 5.6 mm (0.2 in) on average — steady rain rather than a passing shower. Across the year Istanbul averages about 7 mm per rainy day, so July is typical. It is among the three driest months of the year.
Daylight and sunshine in July
Mid-month, Istanbul gets 14 h 52 min of daylight, from sunrise near 5:44 am to sunset near 8:36 pm. Compared with mid-June, the day has lost 14 min. The sun is out for roughly 92% of those daylight hours, so skies are mostly clear.
How July compares to the rest of the year
July is the 2nd warmest month of the year in Istanbul. Against June, the average high is 2.7°C (4.9°F) higher, with 17 mm less rain. August continues the upward trend. By August, typical highs are 28.9°C (84°F).
Who July suits
- Sightseeing: a good fit — comfortable enough to explore on foot all day.
- Parks & outdoor: less ideal — afternoons are too warm to linger outside.
- Beach: less ideal — too many rainy days.
Tips for visiting Istanbul in July
Sun Protection
Loose, breathable clothing plus sunscreen and a wide-brimmed hat.
Quick questions
How warm is Istanbul in July?
Afternoons average 28.6°C (83.5°F) and nights about 21°C (69.8°F) — hot by most people's standards. It is the 2nd warmest month of the year.
Does it rain a lot in Istanbul in July?
Only moderately: roughly 4 wet days and 22 mm, usually moderate rain.
What should I wear in Istanbul in July?
The numbers point to sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.
Is July or August better for visiting Istanbul?
On our 12-month climate ranking, August comes out ahead (#1 of 12 vs #2). August has fewer rainy days.