Sea temperature in Rijeka

23.1 °C

Air temperature: 23.5 °C

measured 2026-09-18 at 15:00 by the DHMZ station in Opatija, ~13 km Opatija →

Past 44 days: 22.6-28.0 °C

Beaches in Rijeka

Embed these temperatures on your own website →

Day trips & activities

All activities →

Activity links are affiliate links: booking through them supports this site at no extra cost to you.