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Istanbul weather in December (Marmara Region, Turkey)

Interested in knowing the climate of Istanbul in December? Curious if the timing is right for your trip? Our page offers an in-depth look at the monthly weather conditions.

Temperatures

The month of December in Istanbul typically includes low temperatures and high rainfall. December is part of the winter season. Anticipate daytime temperatures around 12°C, while night temperatures can drop to 7°C.

Precipitation

Istanbul in December usually receives high rainfall, averaging around 103 mm for the month. During the wettest month of the year, an umbrella can be your best friend to stay dry. When we look at the climate data from the last 30 years, you can expect around 17 days of rain.

Average sunshine

This month sees fewer sunny days, with about 61 hours of sunshine, perfect for those who enjoy cooler temperatures.

If you prefer dry days with pleasant temperatures, December may not be the ideal month to visit Istanbul. May, June, July, August, September and October typically offer the most optimal weather. In contrast, January, February and December tend to have less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Istanbul climate page with graphs.

 

Istanbul, monthly averages in December

Min TemperatureMin Temperature 7°C  
Max TemperatureMax Temperature 12°C  
Water TemperatureWater Temperature 11°C  
Chance of RainChance of Rain 56%  
PrecipitationPrecipitation 103 mm  
Rainy daysRainy days 17 days  
SunshineSunshine 61 hours  
Percentage SunshinePercentage Sunshine 22%  

Where to go in Turkey in December

Find out more about the weather in Turkey and which places have the best travel conditions in this month.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

Plan on layering your clothes. Some days or part of the day it will be nice and warm and some moments it can be a bit chilly. Bring a rain jacket in case it rains during your stay. With a water temperature of around 11°C there is no need to bring your swimwear.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
4/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
5/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Istanbul.

Our site offers climate and forecast data for every country in the world. Are you going to Turkey? On this website you can find historical weather averages for many cities in Turkey. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.