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    North Turkey

    Istanbul climate

    North Turkey

    Istanbul climate

    Weather charts for Istanbul

    JanFebMarAprMayJunJulAugSepOctNovDecTemperature (° C)051015202530Precipitation (mm)0120
    Weather overview
    JanFebMarAprMayJunJulAugSepOctNovDecTemperature (° C)051015202530Precipitation (mm)0120
    Wet days chart
    JanFebMarAprMayJunJulAugSepOctNovDecWet days024681012141651015
    Sunhours per day chart
    JanFebMarAprMayJunJulAugSepOctNovDecSunhours per day024681012142468101214
    Wind chart
    Humidity chart
    JanFebMarAprMayJunJulAugSepOctNovDecHumidity %65707580856570758085
    Data backed by 40 years of history

    We make the most from 40 years of historical weather data to predict the best weather conditions.

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    16 500 000 weather records

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    Architecture in Istanbul at sunset time
    Architecture in Istanbul at dawn
    Architecture in Istanbul in sunny weather with few clouds

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    Climate overview and FAQs

    Climate overview

    Istanbul (Turkey) in general has a mild climate. Temperatures during the day are in the range from 8.7 °C (47.7 °F) in January to 27.9 °C (82.2 °F) in July. The highest night temperatures could be experienced in August with 20.1 °C (68.2 °F), the lowest in February with 2.6 °C (36.7 °F). The least rainy month in Istanbul is August with its 4 days of rain, the rainiest month is December, when it rains 12 days.

    When is the best time to go to Istanbul?

    The best time to visit Istanbul is between May and September. In this period day temperatures range from 21.3 °C (70.3 °F) to 27.9 °C (82.2 °F), night temperatures from 12.3 °C (54.1 °F) to 20.1 °C (68.2 °F) and you can expect on average 5 days of rain per month and 10.3 of sunshine on average per day.

    What months is the dry season in Istanbul?

    The period, with low amounts of rain in Istanbul - dry season - lasts from May to September. In this period it is raining on average 5 days and approximately 34 mm (1.35 in) precipitation falls per month, which are values below average.

    When is the hottest sea in Istanbul?

    The warmest sea is in Istanbul between July - September. During these months the sea temperature reaches 22.1 °C (71.8 °F) - 24.1 °C (75.4 °F).

    Which months have the highest daily temperature in Istanbul?

    The hottest month in Istanbul is July with a temperature of 27.9 °C (82.2 °F). The period with the highest daytime temperatures is in Istanbul during June - August. The temperatures range at this time between 26.0 °C (78.8 °F) - 27.9 °C (82.2 °F).

    What time of year are the highest night temperatures in Istanbul?

    The highest night temperatures in Istanbul occur in the months of July - August. During this time the night temperatures are between 19.8 °C (67.6 °F) - 20.1 °C (68.2 °F).

    Is it freezing a lot in Istanbul?

    Yes, it can freeze at night in Istanbul during these months: January - February, but the frosts can also be very rare or may not happen at all.

    What is the humidity in Istanbul?

    Istanbul belongs to destinations with lower humidity. It ranges from 73 % to 79 %.

    What is the least cloudy season in Istanbul?

    The least cloudy months in Istanbul are June - September, when the cloud cover is on average only 25 %.

    Which month is the sunniest in Istanbul?

    The period, which is the sunniest in Istanbul, is in the months of June - August, when there is an average of 11.0 sun hours per day.

    Is it windy in Istanbul?

    Istanbul is a destination with rather light or moderate winds.