The highest day temperature in October 2023 was 78°F. The lowest night temperature was 58°F. The average values for day and night temperatures during October were 72.4°F и 65.4°F respectivly.

The average sea surface temperature in October 2023 for Istanbul was 71.3°F. The maximum and minimum values were 68.2°F and 74.0°F respectively.

Most of the days in October are sunny but you can also expect cloudy and gloomy days.

Precipitation total in October for Istanbul is 1.8 in. It makes october one of the most rainy months of the year.

The average wind speed in October is 11.7 mph.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Istanbul in October is 7.2 hours.