Search Menu

The weather in December in Istanbul

It's cool in December in Istanbul with an average temperature of 13°C. Temperatures this month range from a low of 9°C to a high of 16°C. At night, you can expect temperatures between 5°C and 10°C.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Istanbul, Turkey. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Water temperature

The water temperature at Istanbul is 12°C this month. This is too cold to swim without protective gear.

Precipitation and snowfall

In December, there is an average of 86 mm of precipitation, spread over 11 days. Of the total precipitation, about 0,9 cm falls as snow in December. The wind speed is around 3 Bft, mostly coming from the South.

Daily weather in December for Istanbul

Click on any day in December to get detailed info about the usual weather on that day in Istanbul. Check out the historical temperatures and precipitation over the past 10 years on this day.

December weather comparison

  Istanbul New York
Average temperature 13°C 9°C
Max. temperature 16°C 12°C
Min. temperature 5°C -5°C
Total precipitation 86 mm 133 mm
Rainy days 11 days 17 days
Total snowfall 0,9 cm 9,7 cm
Snowy days 1 day 3 days

Start of December

The month of December starts in Istanbul with cool temps, averaging around 14°C during the day and nights around 9°C.

Mid December

By mid-December, daytime temps drop to around 13°C, with nights around 8°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

End of December

By the end of December, the average daytime temperature in Istanbul is around 12°C, while nighttime temps are about 7°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

Find affordable trips to Istanbul

UV index

The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Check out the climate of Istanbul for all months and discover the best travel time

Curious about the weather in other parts of Turkey? Check out the climate and weather for spots like Antalya, Bodrum, Belek, or explore other destinations in Turkey.

Temperature charts

These charts show the average temperatures in December in Istanbul, Turkey. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in December in Istanbul

Temperature in December in Istanbul over the years

Precipitation charts

These charts show the average amount of precipitation in December in Istanbul, Turkey. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in December in Istanbul

Total precipitation in December in Istanbul over the years

Daily Snowfall in December in Istanbul

Snowfall in December in Istanbul per year

Daily UV index in December in Istanbul

This chart shows the average daily UV index in December in Istanbul, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in December in Istanbul

Have you been to Istanbul in December?

Share your weather experience in December in Istanbul.

Your email will not be shown in the review and will not be shared with others.

Average weather in Istanbul by month

Click on a month below to see detailed weather info for Istanbul. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.