Average monthly water temperature in Rijeka, Croatia

On this page you find the mean water temperature over the year in Rijeka (Primorje-Gorski Kotar County), Croatia. Discover the unique water temperature patterns, from its warmest to its coolest months.

In Rijeka, the water undergoes seasonal changes. The warmest month is August, with an average water temperature of 25°C (77°F).

The coldest water temperature month, March, has an average temperature of 11°C (52°F). It may not be the ideal time for a swim.

Rijeka 3-Day Forecast

10-Day Forecast

More climate data for Rijeka

Temperature Rainfall Sunshine Humidity Water Temp

See the full Rijeka climate overview or explore weather in Croatia.

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