Average monthly water temperature in Opatija, Croatia
On this page you find the mean water temperature over the year in Opatija (Istria), Croatia. Take a closer look at the water temperature patterns and what they mean for swimming and recreation.
Data from: Rijeka, Croatia (7 KM, 4 Miles).
In Opatija, water temperatures vary throughout the year. The warmest month is August, with an average water temperature of 25°C (77°F).
The coldest month is January, with an average temperature of 11°C (52°F). These seasonal variations make Opatija a great destination for different kinds of aquatic activities.
