Monthly climate guide
Istanbul weather in July
Expect hot weather in Istanbul in July: afternoons reach about 29°C (84°F), while nights drop to around 22°C (71°F). Around 23 mm of rain falls over the month (fairly dry), and skies are mostly sunny. Daytime highs are 3°C warmer than June and about the same as August.
What stands out in July
- Only one month is warmer in Istanbul than July.
- Rain is well below Istanbul's usual level (around 56% less).
- Seasonally, July counts as mid-summer in Istanbul.
- Just 90 km apart, but Istanbul runs about 2°C cooler than Bursa this month.
Avg high
29°C
84°F
Avg low
22°C
71°F
Rainfall
23 mm
fairly dry
Humidity
66%
relative
Sky
24%
cloud · mostly sunny
Istanbul weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 8°C / 47°F | 4°C / 39°F | 81 mm | 83% | 74% |
| February | 10°C / 50°F | 4°C / 40°F | 60 mm | 82% | 74% |
| March | 12°C / 54°F | 6°C / 43°F | 49 mm | 79% | 64% |
| April | 17°C / 62°F | 9°C / 48°F | 47 mm | 75% | 56% |
| May | 21°C / 71°F | 14°C / 58°F | 50 mm | 75% | 58% |
| June | 26°C / 79°F | 19°C / 66°F | 42 mm | 71% | 42% |
| July | 29°C / 84°F | 22°C / 71°F | 23 mm | 66% | 24% |
| August | 29°C / 85°F | 22°C / 72°F | 20 mm | 67% | 27% |
| September | 26°C / 79°F | 20°C / 67°F | 54 mm | 67% | 40% |
| October | 20°C / 69°F | 15°C / 58°F | 62 mm | 76% | 56% |
| November | 15°C / 60°F | 10°C / 51°F | 53 mm | 79% | 67% |
| December | 11°C / 51°F | 6°C / 43°F | 81 mm | 82% | 69% |
What to pack for July
- Light, breathable clothing (cotton or linen)
- A sun hat and high-SPF sunscreen
- A refillable water bottle
- Sunglasses
Is July a good time to visit Istanbul?
Our Istanbul guide recommends: April to May or September to November, avoiding the summer heat and crowds.
A short Bosphorus ferry ride is one of the easiest ways to see the city from the water and cross between its European and Asian sides.
Best time to visit Istanbul →Other Turkey cities in July
Cite or embed this data
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Istanbul weather in July. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/turkey/istanbul/july
<a href="https://weathercompare.eu/weather/turkey/istanbul/july">Istanbul weather in July</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/turkey/istanbul" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Istanbul weather in July"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/turkey/istanbul/july">Istanbul weather in July</a> – WeatherCompare</p>
Istanbul in July: quick answers
Is July a good time to visit Istanbul?
July is a reasonable time for Istanbul: highs around 29°C and about 23 mm of rain, though not one of the three best months.
How warm is Istanbul in July?
Average highs are about 29°C (84°F) and average lows about 22°C (71°F), based on 10 years of daily data.
Does it rain a lot in Istanbul in July?
Istanbul typically gets around 23 mm of rain in July — fairly dry.
When is the best time to visit Istanbul?
April to May or September to November, avoiding the summer heat and crowds.
Figures are long-term averages for the area around Istanbul (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.