Swim in Istanbul in april 2025What is the temperature of the sea in in april?
Average sea temperature in Istanbul in april 2025.
In april, according to seasonal norms, the sea temperature in Istanbul is:
Minimum: 46°F
Average: 51°F
Maximum: 56°F
Other useful seasonal weather averages in april:
- Outside temperature: 55°F to 61°F
- Most common weather: "Clear/Sunny"
- The wind blows at 6.8mph
- It rains a total of 2.8in, over 4 day(s).
Should we swim in Istanbul in april?
No... The water temperature in Istanbul in april is freezing
You won't be able to swim in Istanbul in april! The water temperature is freezing, reaching as low as 46°F (and only 56°F at best)! Our advice: if you are going to Istanbul this month, plan to sightsee and forget the beach!
Note also that in april, the climate is good with an average outside temperature of 58°F, 2.8in of precipitation (over 4 days) and 73 % humidity.
Water and normal seasonal temperatures in Istanbul in april
| April | |||
| Average sea temperature | 51°F | ||
| Minimum sea temperature | 46°F | ||
| Maximum sea temperature | 56°F | ||
| Average outside temperature | 59°F | ||
| Maximum outside temperature | 61°F | ||
| Minimum outside temperature | 56°F | ||
| Wind speed | 13.1mph | ||
| Wind temperature | 52°F | ||
| Precipitation | 2.8in | ||
| Number of days of rain | 4 jour(s) (14%) | ||
| Humidity | 73% | ||
| Visibility in kilometers | 9.52km | ||
| Cloud cover | 33% | ||
| Our opinion | freezing swimming |
Swim elsewhere in Turkey in april
| City | Average T° | Min. T° | Max. T° | Our opinion | Alanya in april | 65°F | 68°F | cool swimming | Antalya in april | 65°F | 68°F | cool swimming | Bodrum in april | 63°F | 65°F | cold swimming | Izmir in april | 61°F | 64°F | cold swimming | Marmaris in april | 63°F | 67°F | cool swimming | Side in april | 65°F | 68°F | cool swimming | Belek in april | 65°F | 68°F | cool swimming | Çanakkale in april | 58°F | 61°F | freezing swimming | Dalaman in april | 64°F | 67°F | cool swimming | Didim in april | 63°F | 66°F | cold swimming | Kemer in april | 65°F | 68°F | cool swimming | Sinop in april | 50°F | 56°F | freezing swimming | Tekirdağ in april | 53°F | 59°F | freezing swimming | Trabzon in april | 51°F | 56°F | freezing swimming | Cesme in april | 62°F | 65°F | cold swimming | Ephesus in april | 62°F | 65°F | cold swimming | Sile in april | 51°F | 56°F | freezing swimming |