Istanbul in october: average Weather, Temperature and Climate
Weather in Istanbul in october 2025
The weather in Istanbul in the month of october comes from statistical datas on the last years. You can view the weather statistics for all the month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout october
good weather
Weather at 6am
65°F
Clear/Sunny
38% of time
23%
20%
13%
Weather at 12pm
68°F
Clear/Sunny
42% of time
24%
22%
8%
Weather at 6pm
65°F
Clear/Sunny
45% of time
27%
16%
8%
Weather at 3am
63°F
40%
23%
19%
12%
Evolution of daily average temperature and precipitation in Istanbul in october
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Istanbul in october.
The climate of Istanbul in october is good
October is a pivotal month between the summer season and the autumn season. Temperatures decline gradually as rainfall increases in both intensity and frequency. However, the climate throughout October in Istanbul remains favorable as the heat is still comfortable.
First Ten Days of October in Istanbul
Weather conditions in Istanbul will allow to enjoy beautiful days with sun and comfortable warmth from morning to night. However, expect to have occasional showers, especially as the possibility of having thunderstorms is not to be ruled out.
Second Ten Days of October in Istanbul
The drop in temperatures is still so discreet that the heat remains pleasant. The second ten days allow to benefit from its superb weather in Istanbul throughout October.
Third Ten Days of October in Istanbul
The drop in temperatures at this time is quite significant. The mornings are gentle once again, while midday allows to feel a pleasant sensation. In addition, showers can occur at any time, so keep the local weather report in mind.
Seasonal average climate and temperature of Istanbul in october
Check below seasonal norms These datas are set from the weather statements of the past years of the month of october.
| October | |||||
| Outside temperature | |||||
| Average temperature | 67°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 65°F | ||||
| Highest record temperature | 88°F (2020) | ||||
| Lowest record temperature | 45°F (2011) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 24 day(s) (77%) | ||||
| Sea temperature | |||||
| Average sea temperature | 66°F | ||||
| Lowest sea temperature | 60°F | ||||
| Highest sea temperature | 71°F | ||||
| Wind | |||||
| Wind speed | 22km/h | ||||
| Wind temperature | 63°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.9in | ||||
| Number of days with rainfall | 5 day(s) (17%) | ||||
| Record daily rainfall | 2.1in (2014) | ||||
| Other climate data | |||||
| Humidity | 75% | ||||
| Visibility | 9.57km | ||||
| Cloud cover | 36% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 10 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 07:16 | ||||
| Time of sunset | 18:23 | ||||
| Length of day | 11:07 | ||||
| Our opinion about the weather in october | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last october?
Here is the day by day recorded weather in Istanbul in october 2024:
59°F to 63°F
63°F to 68°F
65°F to 72°F
68°F to 76°F
72°F to 79°F
72°F to 77°F
68°F to 76°F
65°F to 76°F
68°F to 74°F
70°F to 74°F
70°F to 76°F
68°F to 74°F
65°F to 68°F
61°F to 70°F
63°F to 72°F
63°F to 68°F
59°F to 61°F
58°F to 61°F
58°F to 61°F
56°F to 63°F
58°F to 61°F
56°F to 65°F
58°F to 65°F
58°F to 65°F
58°F to 65°F
58°F to 65°F
58°F to 63°F
58°F to 67°F
58°F to 67°F
59°F to 63°F
58°F to 63°F
Map: other cities in Turkey in october
Cities near Istanbul:
| Bueyuekcekmece in october | good weather |
| Gebze in october | good weather |
| Catalca in october | good weather |
| Yalova in october | good weather |
| Sile in october | good weather |
| Mudanya in october | good weather |
| Bursa in october | good weather |
| Bandırma in october | good weather |
| Marmara in october | good weather |
| Tekirdağ in october | good weather |
| Igneada in october | good weather |
| Şarköy in october | good weather |
Click over cities on the map for information about the weather in october.
Istanbul
perfect weather
good
tolerable
bad
very bad
Weather data for Istanbul in october:
Weather data for Istanbul for october are derived from an average of the weather forecast since 2009 in Istanbul. There is a margin of error and these forecasts are to be considered as general information only. The weather in Istanbul can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Istanbul.