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Istanbul in October: Weather, Average temperature and Climate

Planning a trip and want to know what the weather in Istanbul in October will be like? Take a look at our weather guide for Istanbul, based on historical data.
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October

Weather in Istanbul in October 2024

Good Weather
Mild
☀️
Sunny
Planning a trip to Istanbul in October? You are in luck! The weather is generally good, with an average maximum temperature of +66°F and approximately 13 sunny days. Just be prepared for some rain, as there are usually around 5 rainy days and 58 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+66°F
Avg. max. temperature
+41°F
Min.
+88°F
Max.
58 mm
Total precipitation
72%
Avg. humidity
3 m/s
Avg. wind
13 ☀️
Sunny Days
13 ⛅️
Cloudy
5 🌦
Rainy
Our opinion: Istanbul has good weather in October.

Average temperature in Istanbul in October

Here are the expected maximum, average and minimum temperatures in Istanbul for October based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in October is +68°F with a maximum of +81°F and a minimum of +48°F.

The average maximum temperature goes down 39% by the end of the month, compared with the beginning of the month, from +81°F to +68°F.

Is Istanbul warm or cold in October?

Istanbul is typically mild in October.

Maximum temperatures go down compared to the previous month from +75°F to +66°F. The minimum temperature also goes down from +64°F to +57°F.

Pack a light jacket as it will be warm in the day and cool in the evenings.

Take a look at how October is compared to other months in Istanbul:

Climate in Istanbul in October

Istanbul weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+75°F+66°F+57°F
Min. temperature
+54°F+41°F+34°F
Max. temperature
+97°F+88°F+77°F
Rainfall
31 mm58 mm65 mm
Wind
3 m/s3 m/s3 m/s
Humidity
66%72%74%
Air pressure
1014 HPa1017 HPa1018 HPa
Sunny days
191310
Cloudy days
81314
Rainy days
356
Snowy days
000

October typically has worse weather conditions compared to September. It’s getting colder in October. From +75°F in the day, the average maximum temperature lowers to +66°F. Prepare for more rain. Average rainfall goes from 31 mm to 58 mm. Humidity rises from 66% to 72%. The average wind speed doesn’t change much during October, staying around 3 m/s. The days becoming less sunny, going from 19 sunny days in September to 13 in October.

November brings much the same weather, it remains good.

Wind

Wind speed in Istanbul in October based on historical data.
Last Year
Historical Data

The average wind speed is 4 m/s getting up to 8 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Istanbul is gradually increasing during October, going from 2 m/s to 2 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Istanbul based on historical data.
Last Year
Historical Data
Typically, there is a 16% chance of rain on an average day in October, with total rainfall of approximately 12 mm. The maximum amount of rainfall per day is around 4 mm, which is considered light rain. On average, there are about 5 rainy days during October, so prepare to bring an umbrella.
Here’s how October is compared with other months in the amount of precipitation, total mm:
Istanbul wettest month is December, where a typical day has a 26% chance of precipitation and 80 mm of rainfall per day. August, on the other hand, is the driest month with a mere 6% chance of precipitation and 14 mm of rainfall per day.

How was the weather last October in Istanbul?

This is the weather in Istanbul in October 2023:
1 October
☀️
+81°F
2 October
☀️
+79°F
3 October
☀️
+72°F
4 October
☀️
+70°F
5 October
☁️
+66°F
6 October
☁️
+70°F
7 October
☁️
+71°F
8 October
☁️
+69°F
9 October
☀️
+69°F
10 October
☀️
+73°F
11 October
☀️
+72°F
12 October
☀️
+68°F
13 October
☁️
+71°F
14 October
☁️
+68°F
15 October
🌧️
+64°F
16 October
☁️
+64°F
17 October
☁️
+66°F
18 October
☁️
+64°F
19 October
☁️
+64°F
20 October
☀️
+66°F
21 October
☀️
+62°F
22 October
☀️
+63°F
23 October
☀️
+67°F
24 October
☀️
+69°F
25 October
☀️
+70°F
26 October
☀️
+72°F
27 October
☀️
+71°F
28 October
☀️
+68°F
29 October
☁️
+66°F
30 October
☀️
+67°F
31 October
☀️
+68°F
In October 2023 Istanbul had 19 sunny days, 11 cloudy days, and 1 rainy days. The average maximum temperature was +68°F, with an absolute maximum of +81°F and a minimum of +63°F. The average humidity was 69%, with a maximum of 94% and a minimum of 39%. The average wind speed was 4 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change Over the Years

This is how Istanbul climate has changed over the last 43 years.

The climate in Istanbul in October has not changed that much over the last 43 years.

The average temperature was the lowest in 1985 (+64°F) and the highest in 2020 (+77°F). The driest year was 1993 with only 2 mm of rainfall, and the wettest year was 2010 with 232 mm.

FAQ

Frequently asked questions about the weather in Istanbul in October:

Is October a good time to visit Istanbul?

October is a really good time to go to Istanbul. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Istanbul.

Can you sunbathe in Istanbul in October?

October has mild temperatures in Istanbul. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!

Is Istanbul rainy in October?

Istanbul is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Istanbul in October?

The amount of sunny days in Istanbul during October varies; prepare for a mix of clouds and sun.

Other cities in Turkey

Check out the weather for other cities in Turkey.

Monthly weather in Istanbul

Source of the data

For this page, we’ve looked at the typical weather in Istanbul, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.