Istanbul weather averages

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

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Check Istanbul weather averages before you book your next holiday in 2018/2019. Today's maximum temperature in Istanbul is expected to be 25°C, while the average maximum temperature in July is 27°C.

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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)
Jan
Feb
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Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

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

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