Istanbul weather in June 2025

Expect 25°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Istanbul in June. Check more long-term weather averages for Istanbul in June before you book your next holiday to Turkey in 2025/2026.

  • 25°C maximum daytime temperature in June in Istanbul25
    25°C max day temperature
  • 11 hours of sunshine per day
  • 6 days with some rainfall in June in Istanbul6
    6 days with some rainfall
  • 16°C minimum night-time temperature in June in Istanbul16
    16°C min night temperature
  • 15 hours of daylight per day in June in Istanbul15
    15 hours of daylight per day
  • Low heat & humidity in June in IstanbulL
    Low heat & humidity
  • 28 mm monthly rainfall in June in Istanbul28
    28 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in June in Istanbul8
    8 (Very High) UV index
  • 21°C sea temperature in June in Istanbul21
    21°C sea temperature

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The June 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 June?

Daytime temperatures usually reach 25°C in Istanbul in June with low heat and humidity, falling to 16°C at night.

How sunny is it in Istanbul in June?

There are normally 11 hours of bright sunshine each day in Istanbul in June - that's 74% of daylight hours.

How warm is the sea around Istanbul in June?

The average sea temperature around Istanbul in June is 21°C.

Does it rain in Istanbul in June?

There are usually 6 days with some rain in Istanbul in June and the average monthly rainfall is 28mm.

Istanbul June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 05:34 20:30
Sunday, 15th June 2025 05:31 20:38
Monday, 30th June 2025 05:35 20:40

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