Average temperature in Istanbul

The mean minimum and maximum temperatures over the year in Istanbul (Marmara Region), Turkey.

Average monthly minimum and maximum temperature in Istanbul,

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On average, the warmest month(s) are July and August.
On average, the warmest month is August with 29°C.
On average, the coolest month is January with 10°C.
The average annual maximum temperature is 19°C.
The average annual minimum temperature is 13°C.

Weather Forecasts for Istanbul

Thu Apr 18

20°C | 14°C

18 km/h

0.4 mm

broken clouds and chance of slight rain

hourly forecast

Fri Apr 19

18°C | 13°C

25 km/h

8.3 mm

broken clouds and rain

hourly forecast

Sat Apr 20

16°C | 11°C

25 km/h

20 mm

overcast and heavy rain

hourly forecast

5-Day Forecast 10-Day Forecast

Interested in more climate information?

Weather and Climate 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 climate conditions. Find out where to go with our weather planner.

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