Istanbul weather averages

Going to Istanbul? Find the best month to visit Istanbul based on the weather.

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Check Istanbul weather averages before you book your next holiday in 2019/2020. Today's maximum temperature in Istanbul is expected to be 12°C, while the average maximum temperature in January is 8°C.

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More about Istanbul

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The weather for Istanbul, Turkey shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Istanbul weather averages: best month

Istanbul Best month Averages
Warmest July & August 27°C
Sunniest July 12 hours per day
Least rain July 4 days
Warmest sea August 24°C

Istanbul climate guide

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Istanbul weather averages by month

Check Istanbul holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Istanbul weather with the USA

Below the Istanbul weather chart shows maximum daytime temperature for Istanbul, Turkey and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Istanbul, Turkey
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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Popular Turkey destinations

Below are average maximum temperatures at popular destinations in Turkey in January. Select a destination to see the weather overview and compare average conditions with today's forecast.

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More Turkey destinations

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Can't see your chosen destination? Use our A to Z search to find your required the holiday weather guide:

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