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Istanbul
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Istanbul Weather August

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 August.

day temperatureaverage daily high+26.7°C
night temperatureaverage daily low+20°C
sea temperaturesea temperature+25°C
day lengthdaytime14.2 h
sunny hours per daysunny / overcast hours9.5 / 4.7
average monthly precipitationaverage monthly precipitation40 mm

Best time with the soft weather for the sightseeing and long walks in Istanbul are May, June, September.

Best places in August


Temperature in Istanbul

In August the average daily maximum in Istanbul is +26.7°C, and the minimum +20°C.

The hottest August day on record is +39.6°C, and the coldest +12.3°C.

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Best beach resorts in August:

Venice
Italy

Barcelona
Spain

Nice
France

Rimini
Italy

Cannes
France

Lisbon
Portugal


Marseille
France

Algarve
Portugal

Marbella
Spain

Lignano
Italy

Naples
Italy

Split
Croatia


Daylight hours

There are 14.2 hours of daylight in Istanbul in August. Out of these, on average 9.5 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 August is +25°C.

The water is warm enough for nearly everyone to bathe in.

Istanbul climate by month


Precipitation

The amount of precipitation in Istanbul in August is usually 40 mm, a negligible amount.