İstanbul Weather in December

What's the weather like in İstanbul (Istanbul) in December 2024?

The climate in İstanbul during December can be summarized as cool and wet.

December is in the winter in İstanbul and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 11°C (51°F), whilst at night 5°C (41°F) is normal.

İstanbul weather averages (imperial / metric)
Daytime temperature 10.7°C 51.2°F
Nightly temperature 5°C 40.9°F
Average temperature 7.8°C 46°F
Daily sunshine 4.7 hrs
Avg rainfall 126 mm 5 ins
Rainy days 17 days
Sea temperature 10.9°C 51.7°F
Humidity 78%
Windspeed 13kph 8 mph

On average December is the wettest month of the year in İstanbul with around 126mm 5 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.

On the flip side this corresponds to an average of 4.7 hours of sunshine per day.

December temperatures in İstanbul

İstanbul average temperature in December

December rainfall

İstanbul average rain in December

December hourly sunshine

İstanbul average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in İstanbul in December 2024.

Other monthly averages

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İstanbul weather stats

İstanbul weather statistics
Hottest month: August 26.8°C 80.2°F
Driest month: July 25mm 1ins
Sunniest month: July 12.7hrs
Coldest month: January 8°C 46.4°F
Wettest month: December 126mm 5ins
Map showing location of İstanbul (41.01384, 28.94966) İstanbul map pin © Google

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