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, January, has an average temperature of 11°C (52°F). It may not be the ideal time for a swim.
Rijeka Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Rijeka - and find the best time to visit.
Rijeka 3-Day Forecast
Temperature Rainfall Sunshine Humidity Water Temp
See the full Rijeka climate overview or explore weather in Croatia.
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