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Istanbul in January: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Istanbul in January will be like? Take a look at our weather guide for Istanbul, based on historical data.
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January

Weather in Istanbul in January 2025

OK Weather
Chill
☁️
Cloudy
Istanbul in January usually sees fair weather conditions, with an average daily high temperature of +46°F and roughly 7 sunny days. However, you should prepare for about 6 rainy days with an average precipitation of 67 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.
Good to know:
  • January is usually the coldest month of the year in Istanbul;
  • January is usually the wettest month of the year in Istanbul;

Average weather

☀️
+46°F
Avg. max. temperature
+18°F
Min.
+66°F
Max.
67 mm
Total precipitation
76%
Avg. humidity
4 m/s
Avg. wind
7 ☀️
Sunny Days
17 ⛅️
Cloudy
6 🌦
Rainy
Our opinion: Istanbul has OK weather in January.

Average temperature in Istanbul in January

Here are the expected maximum, average and minimum temperatures in Istanbul for January based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in January is +46°F with a maximum of +63°F and a minimum of +18°F.

The average maximum temperature goes down 4% by the end of the month, compared with the beginning of the month, from +50°F to +48°F.

Is Istanbul warm or cold in January?

Istanbul is typically chill in January.

Maximum temperatures go down compared to the previous month from +52°F to +46°F. The minimum temperature also goes down from +45°F to +41°F.

Pack a jumper and a jacket as there will be cooler temperatures.

January is the coldest month in Istanbul, here is the comparison with other months:

Climate in Istanbul in January

Istanbul weather looks like this, on average, in January and the surrounding months.
DecemberJanuaryFebruary
Avg. temperature
+52°F+46°F+48°F
Min. temperature
+28°F+18°F+23°F
Max. temperature
+75°F+66°F+73°F
Rainfall
80 mm67 mm51 mm
Wind
3 m/s4 m/s3 m/s
Humidity
75%76%75%
Air pressure
1018 HPa1018 HPa1017 HPa
Sunny days
777
Cloudy days
161715
Rainy days
865
Snowy days
011

January weather is still as ok as in December. It’s getting colder in January. From +52°F in the day, the average maximum temperature lowers to +46°F. As January arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 80 mm to 67 mm. Humidity rises from 75% to 76%. Winds are stronger in comparison to December, going up from 3 m/s to 4 m/s on average. The amount of sunny days stay about the same, averaging 7 sunny days during the month.

February brings much the same weather, it remains ok.

Wind

Wind speed in Istanbul in January based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 10 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Istanbul is gradually increasing during January, going from 3 m/s to 3 m/s over the course of the month.

Rain

Amount of rainfall in mm during January in Istanbul based on historical data.
Last Year
Historical Data
Typically, there is a 29% chance of rain on an average day in January, with total rainfall of approximately 32 mm. The maximum amount of rainfall per day is around 16 mm, which is considered light rain. On average, there are about 9 rainy days during January, so prepare to bring an umbrella.
January is one of the rainiest months in Istanbul, here is a comparison with other months, total mm:
Istanbul wettest month is December, where a typical day has a 26% chance of precipitation and 80 mm of rainfall per day. August, on the other hand, is the driest month with a mere 6% chance of precipitation and 14 mm of rainfall per day.

Snow

Amount of snow in mm during January in Istanbul based on historical data.
Last Year
Historical Data
The chance of snow on a typical day in January is 10%, for a monthly total of around 18 mm.

January is one of the snowiest months in Istanbul.

Here’s how January is compared with other months in the amount of snow, total mm:

How was the weather last January in Istanbul?

This is the weather in Istanbul in January 2023:
1 January
☀️
+50°F
2 January
☁️
+54°F
3 January
☀️
+54°F
4 January
☀️
+56°F
5 January
☀️
+60°F
6 January
☀️
+62°F
7 January
☁️
+53°F
8 January
☁️
+54°F
9 January
🌫️
+54°F
10 January
☁️
+54°F
11 January
☁️
+50°F
12 January
🌧️
+41°F
13 January
☁️
+36°F
14 January
☀️
+43°F
15 January
☀️
+48°F
16 January
☁️
+45°F
17 January
☁️
+48°F
18 January
☁️
+46°F
19 January
🌨️
+38°F
20 January
☁️
+47°F
21 January
🌧️
+50°F
22 January
☁️
+35°F
23 January
🌨️
+36°F
24 January
🌨️
+36°F
25 January
☁️
+34°F
26 January
☁️
+35°F
27 January
☁️
+41°F
28 January
☀️
+44°F
29 January
☁️
+46°F
30 January
☀️
+46°F
31 January
☀️
+48°F
In January 2023 Istanbul had 10 sunny days, 15 cloudy days, and 2 rainy days. The average maximum temperature was +46°F, with an absolute maximum of +63°F and a minimum of +34°F. The average humidity was 76%, with a maximum of 100% and a minimum of 36%. The average wind speed was 4 m/s, with a maximum of 14 m/s and a minimum of 0 m/s.
Are you planning a trip in January?

Climate Change Over the Years

This is how Istanbul climate has changed over the last 43 years.

The climate in Istanbul in January has not changed that much over the last 43 years.

The average temperature was the lowest in 2000 (+44°F) and the highest in 2023 (+57°F). The driest year was 1992 with only 3 mm of rainfall, and the wettest year was 1981 with 194 mm.

FAQ

Frequently asked questions about the weather in Istanbul in January:

Is January a good time to visit Istanbul?

It’s always a good time to visit Istanbul, but the weather is changeable in January, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Istanbul in January?

Not really, January is not the best time to sunbathe, unless you visit a local solarium.

Is Istanbul rainy in January?

Istanbul is often rainy in January. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Istanbul in January?

Usually, it’s not very sunny in Istanbul in January, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in Turkey

Check out the weather for other cities in Turkey.

Monthly weather in Istanbul

Source of the data

For this page, we’ve looked at the typical weather in Istanbul, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.