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Istanbul — weather December, water temperature

11.6°C Daytime temperatures 9.5°C Night temperatures 10 Sunny days 8.5-9.5 Sun (hours) 5 Rainy days 60.8 mm Precipitation 11.9°C water temperature
Air temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012
The maximum daily temperature 21.3°C — 2 December 2012.
The maximum night temperature 17°C — 3 December 2017.
The minimum daily temperature 1.7°C — 20 December 2012.
The minimum night temperature 1°C — 31 December 2015.
water temperature
2022 2021 2020 2019 2018 2017 2016 2015 2014 2013
The warmest water 16.2 °C — 1 December 2019. The coldest water 9.1 °C — 31 December 2016.
Sunny, cloudy and gloomy days
Precipitation, mm
Maximum precipitation 72.2 mm — January. Minimum precipitation 9 mm — August.
Wind speed, km / h
Maximum wind speed 22.7 km / h — August. Minimum wind speed 15.8 km / h — May.
Number of hours of sunshine
The maximum number of hours of sunshine per day 13.3 h. — July. The minimum number of hours of sunshine per day 4.6 h. — January.
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