Istria County — Water Temperature Today and Throughout the Year
Discover water temperatures in Istria County (Croatia), with real-time data and annual trends. Find all locations in the region and check the water temperature in them. We find every place where you can swim and show you the water temperature there today and throughout the year.
Sea Water Temperature Along the Coast
Chart of Average Temperature Changes Over the Last 60 Days
Places with the Warmest Sea Water Today
The Most Popular Seaside Places
- Pula53°F
- Poreč52°F
- Umag51°F
- Rovinj53°F
- Medulin53°F
- Novigrad52°F
- Rabac53°F
- Vrsar52°F
- Zambratija51°F
- Peroj53°F
- Fažana53°F
- Premantura53°F
- Dajla51°F
- Lovrečica51°F
- Savudrija51°F
- Crveni Vrh51°F
- Červar-Porat52°F
- Banjole53°F
- Bašanija50°F
- Ližnjan53°F
- Trget54°F
- Peruški54°F
- Duba52°F
- Kanegra51°F
- Križine52°F
- Mareda51°F
- Kavran53°F
- Pomer53°F
- Funtana52°F
- Plomin54°F
- Sveta Marina53°F
- Zagorje53°F
Coastal Seas and Oceans
Water Temperature in Lakes and Rivers
Popular Lakes
Water Temperature and Swimming Overview
Regions and Map
- Brod-Posavina County
- Dubrovnik-Neretva County
- Istria County
- Karlovac County
- Koprivnica-Križevci County
- Krapina-Zagorje County
- Lika-Senj County
- Međimurje County
- Osijek-Baranja County
- Požega-Slavonia County
- Primorje-Gorski Kotar County
- Šibenik-Knin County
- Sisak-Moslavina County
- Split-Dalmatia County
- Varaždin County
- Virovitica-Podravina County
- Vukovar-Srijem County
- Zadar County
- Zagreb City and County
Water Temperature Trends
Istria County, located in the northern part of the Adriatic Sea, enjoys a Mediterranean climate with warm summers and mild winters. During the summer months, from June to August, the sea temperature in the region typically ranges from 22°C to 26°C (72°F to 79°F), providing ideal conditions for swimming, water sports, and beach activities. The region's picturesque coastline, with its charming towns like Pula, Rovinj, and Poreč, attracts many tourists seeking both relaxation and adventure on the crystal-clear waters.
As the season transitions to autumn, the water temperature begins to drop, with September still offering pleasant swimming conditions, averaging around 20°C to 22°C (68°F to 72°F). By October, the temperature starts to fall to about 17°C to 19°C (63°F to 66°F), which may still be comfortable for a dip, but less favorable for extended swimming sessions. During the winter months, from December to February, sea temperatures in Istria typically range from 10°C to 12°C (50°F to 54°F), making swimming generally unappealing, though the coastline remains a scenic attraction for visitors exploring the region's natural beauty and historic sites.