Istanbul weather in July
July in Istanbul: hot, dry — an excellent time to visit.
#5 of 12 months in Istanbul · #245 of 604 destinations to visit in July · comfort 82/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Istanbul climate normals — July
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 21°C / 70°F | |
| Feels like (high) | 29°C / 84°F | |
| Rainfall | 28 mm / 1.1 in | ☀️ dry |
| Rainy days | 4 days | |
| Humidity | 66% | 💧 humid |
| Dew point | 18°C / 64°F | |
| Sunshine | 13.3 h/day | |
| Daylight | 14.8 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 54 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Istanbul in July — FAQ
- Is July a good time to visit Istanbul?
- July in Istanbul: hot, dry — an excellent time to visit. It ranks #5 of 12 months for Istanbul on SeasonMap's comfort score (82/100).
- What is the weather like in Istanbul in July?
- In July, Istanbul averages a daily high of 28.1°C and a low of 21.3°C, with about 28.1 mm of rain over roughly 4 rainy days.
- What is the air quality in Istanbul in July?
- Istanbul has a mean US Air Quality Index of about 54 in July.