Istanbul in October
Find out everything about the water temperature in Istanbul in October. Average, minimum and maximum recorded temperatures as well as daily temperature in October for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in October
Minimum:
60.5 °F
Average:
66.9 °F
Maximum:
72.7 °F
Sea water temperature in Istanbul in October
In the city of Istanbul, the month of October is somewhat comfortable for swimming. The minimum recorded temperature during this month was 60.5°F on October 31, 2021, with an average temperature being 66.9°F and a maximum temperature reaching 72.7°F on October 2, 2020.
| Date | 10 years average | 2024 | 2023 |
|---|---|---|---|
| Oct 1 | 70.5°F | 71.5°F | 71.4°F |
| Oct 2 | 70.5°F | 71.1°F | 71.1°F |
| Oct 3 | 69.8°F | 69.9°F | 71.4°F |
| Oct 4 | 69.7°F | 70.5°F | 70.8°F |
| Oct 5 | 69.5°F | 70.7°F | 70.8°F |
| Oct 6 | 69.3°F | 71.1°F | 71.1°F |
| Oct 7 | 68.9°F | 71.0°F | 70.8°F |
| Oct 8 | 68.7°F | 71.1°F | 70.7°F |
| Oct 9 | 68.4°F | 70.7°F | 70.8°F |
| Oct 10 | 68.1°F | 71.1°F | 69.4°F |
| Oct 11 | 68.1°F | 70.8°F | 69.7°F |
| Oct 12 | 67.9°F | 70.3°F | 69.4°F |
| Oct 13 | 67.6°F | 69.8°F | 69.0°F |
| Oct 14 | 67.6°F | 70.4°F | 71.4°F |
| Oct 15 | 67.1°F | 69.4°F | 69.5°F |
| Oct 16 | 66.8°F | 69.6°F | 69.8°F |
| Oct 17 | 66.6°F | 69.1°F | 69.1°F |
| Oct 18 | 66.3°F | 68.6°F | 67.3°F |
| Oct 19 | 66.3°F | 67.8°F | 68.3°F |
| Oct 20 | 65.9°F | 66.7°F | 68.2°F |
| Oct 21 | 65.7°F | 66.5°F | 67.5°F |
| Oct 22 | 65.5°F | 65.8°F | 67.6°F |
| Oct 23 | 65.2°F | 65.5°F | 67.4°F |
| Oct 24 | 64.9°F | 65.3°F | 67.9°F |
| Oct 25 | 64.9°F | 65.5°F | 67.1°F |
| Oct 26 | 64.4°F | 64.8°F | 66.5°F |
| Oct 27 | 64.5°F | 64.9°F | 67.1°F |
| Oct 28 | 64.5°F | 64.7°F | 68.1°F |
| Oct 29 | 64.1°F | 64.1°F | 68.3°F |
| Oct 30 | 63.9°F | 64.5°F | 67.9°F |
| Oct 31 | 63.7°F | 64.2°F | 68.2°F |
In Istanbul, the months July through September offer comfortable swimming conditions, which amounts to 80 swimming days.
The warmest water in Istanbul was recorded on August 17, 2014, reaching a 80.2°F. While the coldest temperature occurred on February 21, 2017, dipping to 42.7°F. The average readings by season are 50.4°F in Winter, 53.4°F in Spring, 73.5°F in Summer, and 67.0°F in Autumn.
October's average temperature is a slight drop from September's average of 73.6°F. In November, the temperature is expected to decrease further, potentially averaging around 60.5°F.
Popular neighboring cities and resorts
| City | Water temperature* | Distance** |
|---|---|---|
| Üsküdar |
59.5°F
|
3mi |
| Esenler |
59.2°F
|
4mi |
| Bahçelievler |
59.2°F
|
5mi |
| Bağcılar |
59.2°F
|
5mi |
| Sultangazi |
59.0°F
|
8mi |
| Umraniye |
59.5°F
|
9mi |
| Maltepe |
58.6°F
|
12mi |
| Yalova |
58.3°F
|
30mi |
| Bursa |
58.1°F
|
57mi |
* current water temperature in this city
** straight line distance from Istanbul