Istanbul weather in July 2025

Expect daytime maximum temperatures of 27°C in Istanbul, Turkey in July based on long-term weather averages. There are 12 hours of sunshine per day on average.

  • 27°C maximum daytime temperature in July in Istanbul27
    27°C max day temperature
  • 12 hours of sunshine per day
  • 4 days with some rainfall in July in Istanbul4
    4 days with some rainfall
  • 18°C minimum night-time temperature in July in Istanbul18
    18°C min night temperature
  • 15 hours of daylight per day in July in Istanbul15
    15 hours of daylight per day
  • Low heat & humidity in July in IstanbulL
    Low heat & humidity
  • 25 mm monthly rainfall in July in Istanbul25
    25 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in July in Istanbul9
    9 (Very High) UV index
  • 23°C sea temperature in July in Istanbul23
    23°C sea temperature

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The July weather guide for Turkey (Istanbul) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How hot is it in Istanbul in July?

Daytime temperatures usually reach 27°C in Istanbul in July with low heat and humidity, falling to 18°C at night.

How sunny is it in Istanbul in July?

There are normally 12 hours of bright sunshine each day in Istanbul in July - that's 79% of daylight hours.

How warm is the sea around Istanbul in July?

The average sea temperature around Istanbul in July is 23°C.

Does it rain in Istanbul in July?

There are usually 4 days with some rain in Istanbul in July and the average monthly rainfall is 25mm.

Istanbul July sunrise & sunset times

Browse the sunrise and sunset times for Istanbul in July 2025. Select a month to view Istanbul sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:36 20:40
Wednesday, 16th July 2025 05:46 20:34
Thursday, 31st July 2025 05:59 20:21

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