Swimming in Istanbul in october 2025: Average sea temperature in october and tide times in october 2025
Average sea temperature in Istanbul in october 2025.
In october, according to seasonal norms, the sea temperature in Istanbul is:
Minimum: 60°F
Average: 66°F
Maximum: 71°F
Other useful seasonal weather averages in october:
- Outside temperature: 63°F to 69°F
- Most common weather: "Clear/Sunny"
- The wind blows at 10.6mph
- It rains a total of 3.9in, over 5 day(s).
Should we swim in Istanbul in october?
Yes... and no. The water temperature in Istanbul in october is cool
Swimming in october on the beaches of Istanbul is possible but the sea water is cool. So even though the sea temperature sometimes climbs to 71°F, it can also be as low as 60°F! Note that the average is 66°F.
Note also that in october, the climate is good with an average outside temperature of 66°F, 3.9in of precipitation (over 5 days) and 74.91 % humidity.
Water and normal seasonal temperatures in Istanbul in october
| October | |||
| Average sea temperature | 66°F | ||
| Minimum sea temperature | 60°F | ||
| Maximum sea temperature | 71°F | ||
| Average outside temperature | 67°F | ||
| Maximum outside temperature | 70°F | ||
| Minimum outside temperature | 65°F | ||
| Wind speed | 13.7mph | ||
| Wind temperature | 63°F | ||
| Precipitation | 3.9in | ||
| Number of days of rain | 5 jour(s) (17%) | ||
| Humidity | 75% | ||
| Visibility in kilometers | 9.57km | ||
| Cloud cover | 36% | ||
| Our opinion | cool swimming |
Chart of the tides in october 2025
Tide times in october 2025 in Istanbul
Swim elsewhere in Turkey in october
| City | Average T° | Min. T° | Max. T° | Our opinion | Alanya in october | 77°F | 81°F | pleasant swimming | Antalya in october | 77°F | 81°F | pleasant swimming | Bodrum in october | 73°F | 78°F | pleasant swimming | Izmir in october | 70°F | 75°F | cool swimming | Marmaris in october | 75°F | 80°F | pleasant swimming | Side in october | 78°F | 82°F | pleasant swimming | Belek in october | 77°F | 82°F | pleasant swimming | Çanakkale in october | 68°F | 73°F | cool swimming | Dalaman in october | 76°F | 80°F | pleasant swimming | Didim in october | 72°F | 77°F | pleasant swimming | Kemer in october | 77°F | 81°F | pleasant swimming | Sinop in october | 66°F | 73°F | cool swimming | Tekirdağ in october | 67°F | 72°F | cool swimming | Trabzon in october | 69°F | 76°F | cool swimming | Cesme in october | 71°F | 75°F | pleasant swimming | Ephesus in october | 71°F | 76°F | pleasant swimming | Sile in october | 67°F | 71°F | cool swimming |