Weather in Istanbul for October 2025
In general, the average temperature in Istanbul at the beginning of October is 22.4 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 20 °C by the end of October.
With an average of 5 rainy days, Istanbul experiences minimal rainfall in October, ensuring that most days remain pleasantly dry.
Is October a good time to visit Istanbul? check out the best time to travel to Istanbul page.
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Istanbul in October average weather
Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
---|---|---|---|---|---|---|
1 19° | 2 22° | 3 22° | 4 23° | 5 24° | ||
6 24° | 7 23° | 8 24° | 9 22° | 10 20° | 11 22° | 12 22° |
13 20° | 14 22° | 15 21° | 16 20° | 17 17° | 18 16° | 19 16° |
20 19° | 21 19° | 22 20° | 23 20° | 24 20° | 25 20° | 26 20° |
27 20° | 28 21° | 29 20° | 30 20° | 31 19° |
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Temperatures trend during October in Istanbul
October weather day by day
Date | Weather | Temperatures | Rain | UV | More |
---|---|---|---|---|---|
1 Oct. | Light rain shower | 19° /16° | 5.6 mm | 5 | |
2 Oct. | Patchy rain possible | 22° /18° | 0.2 mm | 5 | |
3 Oct. | Partly cloudy | 22° /17° | 0 mm | 6 | |
4 Oct. | Sunny | 23° /18° | 0 mm | 6 | |
5 Oct. | Overcast | 24° /19° | 0 mm | 6 | |
6 Oct. | Sunny | 24° /19° | 0.7 mm | 6 | |
7 Oct. | Patchy rain possible | 23° /19° | 0.1 mm | 5 | |
8 Oct. | Sunny | 24° /18° | 0 mm | 6 | |
9 Oct. | Patchy rain possible | 22° /17° | 0.3 mm | 5 | |
10 Oct. | Overcast | 20° /17° | 0 mm | 5 | |
11 Oct. | Patchy rain possible | 22° /18° | 0.1 mm | 5 | |
12 Oct. | Sunny | 22° /17° | 0.1 mm | 6 | |
13 Oct. | Sunny | 20° /16° | 0.2 mm | 5 | |
14 Oct. | Sunny | 22° /16° | 0 mm | 6 | |
15 Oct. | Sunny | 21° /16° | 0 mm | 6 | |
16 Oct. | Patchy rain possible | 20° /15° | 0.5 mm | 5 | |
17 Oct. | Patchy rain possible | 17° /14° | 0.5 mm | 4 | |
18 Oct. | Light rain | 16° /13° | 3.6 mm | 4 | |
19 Oct. | Cloudy | 16° /13° | 0.2 mm | 4 | |
20 Oct. | Sunny | 19° /15° | 0 mm | 5 | |
21 Oct. | Sunny | 19° /16° | 0.1 mm | 5 | |
22 Oct. | Sunny | 20° /15° | 0 mm | 6 | |
23 Oct. | Partly cloudy | 20° /16° | 0 mm | 6 | |
24 Oct. | Sunny | 20° /16° | 0 mm | 6 | |
25 Oct. | Overcast | 20° /16° | 0.1 mm | 5 | |
26 Oct. | Patchy rain possible | 20° /16° | 0.1 mm | 5 | |
27 Oct. | Sunny | 20° /16° | 0 mm | 6 | |
28 Oct. | Partly cloudy | 21° /16° | 0 mm | 6 | |
29 Oct. | Partly cloudy | 20° /16° | 0 mm | 6 | |
30 Oct. | Partly cloudy | 20° /15° | 0.1 mm | 5 | |
31 Oct. | Partly cloudy | 19° /15° | 0.1 mm | 5 | |
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Istanbul in October - FAQ
What to pack to Istanbul in October?
As you prepare for your trip to Istanbul in October, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Istanbul, during October, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
Quick links
Get accurate weather forecasts for Istanbul, located at latitude 41.014 and longitude 28.95. Stay updated with localized weather information tailored for Istanbul.