İstanbul Water Temperature
(Today) 2023
21.9°C / 71.4°F
The water will feel tepid. Swimming will be tolerable without a wetsuit, although it will take a little getting used to. If you intend to stay in the water for a while a 3/2mm wetsuit will be ideal.
Current weather
24°C / 75°F
(clear sky)
(clear sky)
Wind
7 mph
Humidity
60%
The measurements for the water temperature in İstanbul, Istanbul are provided by the daily satellite readings provided by the NOAA. The temperatures given are the sea surface temperature (SST) which is most relevant to recreational users.
Water temp by month
Monthly average max / min water temperatures
The graph below shows the range of monthly İstanbul water temperature derived from many years of historical sea surface temperature data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 6.2 | 6.3 | 6.5 | 7.5 | 13 | 18.3 | 21.6 | 22.6 | 20.8 | 15.8 | 11.3 | 8.2 |
| Max °C | 10.4 | 9.2 | 10.3 | 13.3 | 18.4 | 24.2 | 27.5 | 27.2 | 24.6 | 21.6 | 17 | 13.5 |
| Min °F | 44.8 | 44.5 | 45.2 | 47.8 | 57.6 | 67.3 | 73.2 | 74.5 | 71 | 62.8 | 54.6 | 48.8 |
| Max °F | 49 | 47.4 | 49 | 53.6 | 63 | 73.2 | 79.1 | 79.1 | 74.8 | 68.6 | 60.3 | 54.1 |
The warmest water temperature is in August with an average around 76.8°F / 24.9°C. The coldest month is February with an average water temperature of 45.9°F / 7.7°C.
