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Istanbul Weather June
Istanbul is situated in Mediterranean climate zone that typically has warm or hot summer with mild rains and soft but rainy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Istanbul in June.
![]() | average daily high | +24.5°C |
![]() | average daily low | +16.5°C |
![]() | sea temperature | +22°C |
![]() | daytime | 15.6 h |
![]() | sunny / overcast hours | 9.7 / 5.9 |
![]() | average monthly precipitation | 34 mm |
Best time with the soft weather for the sightseeing and long walks in Istanbul are May, June, September.
Temperature in Istanbul
In June the average daily maximum in Istanbul is +24.5°C, and the minimum +16.5°C.
The hottest June day on record is +40°C, and the coldest +8.5°C.
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Best beach resorts in June:

Venice
Italy

Barcelona
Spain

Rimini
Italy

Algarve
Portugal

Marbella
Spain

Naples
Italy
Daylight hours
There are 15.6 hours of daylight in Istanbul in June. Out of these, on average 9.7 are sunny, which means there is quite a lot of sun.
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Sea temperature
The average monthly temperature in the Sea of Marmara on the beaches of Istanbul in June is +22°C.
The water is warm enough for nearly everyone to bathe in.
Precipitation
The amount of precipitation in Istanbul in June is usually 34 mm, a negligible amount.