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TurkeyThe weather in October in Istanbul
It's pleasantly warm in October in Istanbul with an average temperature of 21°C. Temperatures this month range from a low of 17°C to a high of 24°C. At night, you can expect temperatures between 12°C and 17°C.
Looking for great weather? October is a good time to be in Istanbul. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in October for Istanbul, Turkey. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 32°C in 2020, Istanbul reached the highest temperature in October over the past 10 years. The lowest daytime temperature in this month was 12°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 22°C.
Water temperature
The water temperature at Istanbul is 20°C this month. Refreshing if you feel like a swim.
Rainfall amount
In October, there is an average of 53 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southeast.
Daily weather in October for Istanbul
Click on any day in October to get detailed info about the usual weather on that day in Istanbul. Check out the historical temperatures and precipitation over the past 10 years on this day.
October weather comparison
| Istanbul | New York | |
|---|---|---|
| Average temperature | 21°C | 21°C |
| Max. temperature | 24°C | 26°C |
| Min. temperature | 12°C | -5°C |
| Total precipitation | 53 mm | 119 mm |
| Rainy days | 8 days | 13 days |
Start of October
The month of October starts in Istanbul with warm temps, averaging around 23°C during the day and nights around 16°C.
Mid October
By mid-October, daytime temps drop to around 22°C, with nights around 16°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of October
By the end of October, the average daytime temperature in Istanbul is around 20°C, while nighttime temps are about 15°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Istanbul for all months and discover the best travel time
Curious about the weather in other parts of Turkey? Check out the climate and weather for spots like Antalya, Bodrum, Belek, or explore other destinations in Turkey.
Temperature charts
These charts show the average temperatures in October in Istanbul, Turkey. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in October in Istanbul
Temperature in October in Istanbul over the years
Precipitation charts
These charts show the average amount of precipitation in October in Istanbul, Turkey. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in October in Istanbul
Total precipitation in October in Istanbul over the years
Daily UV index in October in Istanbul
This chart shows the average daily UV index in October in Istanbul, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in October in Istanbul
Have you been to Istanbul in October?
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Average weather in Istanbul by month
Click on a month below to see detailed weather info for Istanbul. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.