Average weather for Istanbul in October
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.
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. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
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.
Water temperature
The water temperature at Istanbul is 20°C this month. Refreshing if you feel like a swim.
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.
Istanbul in October |
New York | ||
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21°C | 21°C | |
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24°C | 26°C | |
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17°C | -5°C | |
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53 mm | 119 mm | |
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8 days | 13 days |
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.
Is October a good time to visit Istanbul?
Looking for great weather? October is a good time to be in Istanbul. The temperatures are nice, and there’s not too much rain.
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.
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.
Daily Temperature in October in Istanbul
This chart shows the average daily high and low temperatures in October for Istanbul, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in October in Istanbul
The chart below shows the average daily precipitation in October for Istanbul, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for October, you can expect about 8 days of precipitation in Istanbul.
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.
Temperature in October in Istanbul over the years
This chart shows the average temperature in October in Istanbul, measured in degrees Celsius, over the past few years.
Total precipitation in October in Istanbul over the years
This chart shows the average precipitation in October in Istanbul, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
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Weather experiences in October in Istanbul
Have you been to Istanbul in October?
Share your weather experience in October in Istanbul.
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.