canIswim

Sea temperature and swimming season in Turkey

When the sea is warm enough to swim in 20 coastal cities in Turkey.

CityWarmestColdestSwimming season
Istanbul 24.6°C Aug 9.8°C Feb Jun – Oct (5 months)
İzmir 24.8°C Aug 16.2°C Mar May – Nov (7 months)
Antalya 29.7°C Aug 17.5°C Mar May – Jan (9 months)
Samsun 26.0°C Aug 9.6°C Mar Jun – Oct (5 months)
Alanya 29.6°C Aug 17.7°C Mar Apr – Jan (10 months)
İskenderun 29.9°C Aug 17.5°C Mar Apr – Dec (9 months)
Trabzon 26.6°C Aug 9.9°C Mar Jun – Oct (5 months)
Ordu 26.2°C Aug 9.6°C Mar Jun – Oct (5 months)
Çanakkale 25.3°C Aug 13.0°C Mar Jun – Oct (5 months)
Giresun 26.2°C Aug 9.7°C Mar Jun – Oct (5 months)
Samandağ 29.4°C Aug 17.8°C Mar Apr – Jan (10 months)
Tekirdağ 25.8°C Aug 9.8°C Feb Jun – Oct (5 months)
Rize 27.0°C Aug 10.4°C Mar Jun – Oct (5 months)
Zonguldak 25.5°C Aug 9.0°C Mar Jun – Oct (5 months)
Yalova 24.4°C Aug 9.9°C Feb Jun – Oct (5 months)
Kuşadası 25.0°C Aug 16.5°C Mar May – Dec (8 months)
Fethiye 28.2°C Aug 17.7°C Mar May – Jan (9 months)
Bodrum 26.0°C Aug 17.0°C Mar May – Dec (8 months)
Sinop 25.5°C Aug 9.3°C Mar Jun – Oct (5 months)
Yumurtalık 30.0°C Aug 17.4°C Feb Apr – Dec (9 months)

Season uses 19°C. Why that number, and where the data comes from