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Sea Temperature in Istanbul in October
Complete information on the sea temperature range in the Sea of Marmara in Istanbul in October. Historical daily data. Climate details for October. Tips on swimming conditions and beach relaxation in Istanbul. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Water Temperature Range in Istanbul in October
14°C
MINIMUN
19°C
AVERAGE
24°C
MAXIMUM
Historical Data of Water Temperature in October in Istanbul
Water Temperature Chart for Sea of Marmara in Istanbul in October
Sea Temperature Table in Istanbul in October Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Oct 1 | 22°C | 23°C | 21°C | 22.0°C |
| Oct 2 | 21°C | 24°C | 21°C | 22.3°C |
| Oct 3 | 21°C | 23°C | 20°C | 21.8°C |
| Oct 4 | 20°C | 22°C | 20°C | 21.0°C |
| Oct 5 | 20°C | 22°C | 20°C | 21.0°C |
| Oct 6 | 20°C | 22°C | 20°C | 21.3°C |
| Oct 7 | 20°C | 22°C | 19°C | 20.8°C |
| Oct 8 | 20°C | 22°C | 19°C | 20.8°C |
| Oct 9 | 19°C | 22°C | 19°C | 20.5°C |
| Oct 10 | 20°C | 23°C | 19°C | 21.0°C |
| Oct 11 | 20°C | 22°C | 18°C | 20.5°C |
| Oct 12 | 19°C | 22°C | 18°C | 20.3°C |
| Oct 13 | 18°C | 23°C | 18°C | 20.3°C |
| Oct 14 | 19°C | 22°C | 18°C | 20.3°C |
| Oct 15 | 19°C | 22°C | 17°C | 19.8°C |
| Oct 16 | 19°C | 22°C | 17°C | 19.8°C |
| Oct 17 | 18°C | 22°C | 17°C | 19.5°C |
| Oct 18 | 18°C | 22°C | 17°C | 19.5°C |
| Oct 19 | 19°C | 22°C | 17°C | 19.8°C |
| Oct 20 | 18°C | 22°C | 16°C | 19.3°C |
| Oct 21 | 17°C | 22°C | 16°C | 18.8°C |
| Oct 22 | 17°C | 21°C | 16°C | 18.3°C |
| Oct 23 | 18°C | 21°C | 16°C | 18.5°C |
| Oct 24 | 18°C | 21°C | 15°C | 18.3°C |
| Oct 25 | 17°C | 20°C | 15°C | 17.8°C |
| Oct 26 | 17°C | 21°C | 15°C | 18.0°C |
| Oct 27 | 17°C | 21°C | 15°C | 18.0°C |
| Oct 28 | 17°C | 21°C | 14°C | 17.8°C |
| Oct 29 | 17°C | 20°C | 14°C | 17.3°C |
| Oct 30 | 17°C | 20°C | 14°C | 17.5°C |
Istanbul Climate and Swimming Opportunities in October
20°C
Average Day Air Temperature
12°C
Average Night Air Temperature
78 mm
Precipitation Amount per Month
9 days
Number of Rainy Days
11 hrs
Daylight
per Day
6 hrs
Sunshine
per Day
9 km/h
Average Wind Speed
78%
Average
humidity
Istanbul lies within the Istanbul Province in Turkey. The average daytime temperature in Istanbul in October is 20°C (68°F), while the nighttime average is 12°C (54°F). There are typically nine rainy days during the month, with a total precipitation of 78 mm (3.1 inches). The daylight duration in October in Istanbul is 11 hours, with an average of 6 hours of sunshine per day. The average wind speed in October is 9 km/h (6 mph), and the humidity level is around 78%.
The water temperature in Istanbul in October ranges from 17°C to 22°C (63°F to 72°F). At the beginning of the month, the average temperature is around 21°C (70°F), shifting to 20°C (68°F) by mid-October and reaching 18°C (64°F) in the last ten days. Overall, the average sea temperature in Istanbul for October is 20°C (68°F). Very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.
Sea Temperature in October in Nearby Cities
Frequently Asked Questions About Water Temperatures in October in Istanbul
What is the sea temperature in Istanbul in October?
The water temperature in the Sea of Marmara in Istanbul in October ranges from 17°C to 22°C (63°F to 72°F).
Is it possible to swim in the Sea of Marmara in Istanbul in October?
The average sea temperature in Istanbul in October is 20°C (68°F), and the air temperature is 20°C (68°F), so very comfortable swimming conditions. The water is fresh but not too cold, and the air temperature is pleasant.