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    North Turkey

    Istanbul weather in December

    North Turkey

    Istanbul weather in December


    11 °C


    5 °C


    11 °C


    109 mm

    in month

    Rainy days

    12 days

    in month


    9 hours



    4 hours



    79 %

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

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    Weather overview and FAQs

    Weather overview

    In December in Istanbul, the average air temperature ranges from 10.8 °C (51.4 °F) during the day to 5.3 °C (41.5 °F) at night. There are 12 days of rain on average, where the rainfall is 109 mm (4.29 in).

    Is December a good month to visit Istanbul?

    In December there are not good conditions to visit Istanbul. A relatively low temperature of 10.8 °C (51.4 °F) may be ideal for walking or outdoor activities, but some people may have a different idea of the holiday. The night temperature of 5.3 °C (41.5 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.

    What is the temperature in Istanbul during the day in December?

    The average daily temperature in December in Istanbul is 10.8 °C (51.4 °F). Don't forget a sweater and light or normal jacket, but also pack light clothing in case the temperatures are above average. The weather at this time can be somewhat changeable and a wide range of clothing can become handy.

    How many rainy days can I expect in Istanbul in December?

    In December in Istanbul, we can expect 12 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.9 days of the week, or in general - 41 % days.

    What is the rainfall intensity in Istanbul in December?

    There is precipitation of 109 mm (4.29 in) in December in Istanbul, which means 4 mm (0.14 in) rainfall per day on average.

    How many hours of sun to expect in December in Istanbul?

    There is an average length of sunshine of 4 hours per day in Istanbul in December.

    Is December part of the wet season in Istanbul?

    No, there is no wet season in December in Istanbul - you can expect 12 days of rain during the month.

    How long is the day (from dawn till dusk) in Istanbul in December?

    The length of daylight in December in Istanbul is 9 hours.

    How windy is it in Istanbul in December?

    An average wind scale that can be expected in December in Istanbul is 3.0.

    Is Istanbul rainier in December than in November?

    Yes, Istanbul is a rainier December than in November.

    How does the sea temperature evolve during the month in Istanbul in December?

    Istanbul has a decreasing trend of the sea temperature during December - from 12.5 °C (54.5 °F) in the first days of the month to 9.5 °C (49.1 °F) in the last days of the month.

    How humid is Istanbul in December?

    Humidity in December in Istanbul is 79 %.

    Is the temperature rising or falling in the course of time in Istanbul in December?

    During December in Istanbul, the day temperatures are decreasing - from 12.7 °C (54.8 °F) at the beginning of the month to 9.8 °C (49.6 °F) at the end of the month.