canIswim

Sea temperature and swimming season in Croatia

When the sea is warm enough to swim in 14 coastal cities in Croatia.

CityWarmestColdestSwimming season
Split 25.7°C Aug 13.9°C Mar Jun – Nov (6 months)
Rijeka 25.1°C Aug 11.5°C Mar Jun – Oct (5 months)
Pula 26.2°C Aug 11.9°C Mar Jun – Oct (5 months)
Šibenik 25.6°C Aug 13.7°C Mar Jun – Nov (6 months)
Dubrovnik 26.4°C Aug 14.6°C Mar Jun – Nov (6 months)
Makarska 25.7°C Aug 13.4°C Mar Jun – Nov (6 months)
Rovinj 26.8°C Aug 11.3°C Mar Jun – Oct (5 months)
Trogir 25.7°C Aug 14.0°C Mar Jun – Nov (6 months)
Poreč 26.8°C Aug 11.3°C Mar Jun – Oct (5 months)
Umag 26.7°C Aug 10.7°C Feb Jun – Oct (5 months)
Labin 25.1°C Aug 11.5°C Mar Jun – Oct (5 months)
Biograd na Moru 25.3°C Aug 13.4°C Mar Jun – Nov (6 months)
Mali Lošinj 25.6°C Aug 12.4°C Mar Jun – Oct (5 months)
Cres 25.3°C Aug 11.9°C Mar Jun – Oct (5 months)

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