Istria County Sea Temperature

This page provides detailed information about the water temperature in Istria County, Croatia. All countries, cities and resorts on the coast. The range of sea temperatures for today. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Sea Temperature

10.2°C

minimal

10.6°C

average

11.0°C

maximum

Graph of Sea Temperature Changes in Istria County Over the Last 60 Days

Water temperature in the Istria County by month

Month	Minimum	Maximum
January	6°C	15°C
February	8°C	13°C
March	8°C	14°C
April	10°C	17°C
May	13°C	23°C
June	17°C	27°C
July	21°C	29°C
August	22°C	29°C
September	19°C	29°C
October	13°C	24°C
November	14°C	21°C
December	10°C	18°C

The Warmest Places on the Seaside in Istria County Today

11°C

Skvaranska

11°C

Medulin

11°C

Zagorje

11°C

Duga Luka

11°C

Koromačno

11°C

Trget

List of All Coastal Cities in Istria County

Seas and Oceans that Border Istria County

Adriatic Sea

Croatia: List of Regions

Water Temperature in Istria County: General Trends and Swimming Opportunities

Original name of the region: Istarska županija

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.

Geographical Location of Istria County

Frequently Asked Questions About Istria County and its Water Temperatures

What is the current sea temperature on the coast of Istria County in Croatia?

The sea temperature today on the coast of Istria County ranges from 50°F (10.2°C) in Katoro to 52°F (11.0°C) in Skvaranska.

When does the sea in Istria County in Croatia reach a comfortable swimming temperature?

In Istria County (Croatia) the sea temperature can reach 70°F (21°C) in May, June, July, August, September, and October. It should be noted that the mentioned values apply to the warmest point of the region. In other areas of Istria County, the values may vary.

What are the most popular seaside resorts in Istria County?

The most popular places on the coast of Istria County (Croatia), based on our visitors' interest in the water temperature, are cities Poreč, Rovinj, Pula, Umag, and Medulin.

Which seas and oceans does the Istria County have access to?

Istria County (Croatia) has access only to the Adriatic Sea.