Adriatic Sea Water Temperature Today & Regional Overview

Current Water Temperature

The water temperature in the Adriatic Sea today ranges from 20.6°C (Lovran, Croatia) to 23.7°C (Sciali degli Zingari, Italy).

As of today, the minimum water temperature in the Adriatic Sea ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature and Swimming Conditions Throughout the Year

Month	Min	Max
January	6°C	19°C
February	7°C	17°C
March	7°C	17°C
April	9°C	21°C
May	13°C	25°C
June	16°C	28°C
July	21°C	30°C
August	21°C	31°C
September	18°C	30°C
October	13°C	26°C
November	11°C	24°C
December	7°C	21°C

The Adriatic Sea shows noticeable seasonal and regional temperature variation. In winter the surface waters generally cool to roughly 6–13 °C, with the coldest values found in the shallow northern basin and warmer pockets toward the south. Spring brings a steady rise, with typical surface temperatures in the range of about 12–18 °C as the sea absorbs springtime heat. Peak warmth occurs in summer, when most coastal areas warm to roughly 22–28 °C; the southern Adriatic and offshore pockets often reach the upper end of this span, while northern bays and channels are usually a few degrees cooler. In autumn temperatures decline again, commonly falling into a band of about 15–23 °C depending on location and the year’s weather patterns.

Swimming Conditions

Swimming in the Adriatic is widely possible and popular, particularly from late spring through early autumn when surface temperatures are most comfortable. Recreational bathing is common when waters exceed roughly 20–22 °C, although many people swim at slightly lower temperatures with shorter immersion times or protective suits. There are no general prohibitions on swimming across the sea, but local authorities may restrict access for safety reasons such as strong currents, storms, water-quality issues, or maritime traffic. Visitors should consider regional differences, seasonal weather, and personal tolerance to colder water; lifeguards, local advisories and marked bathing zones help indicate when conditions are safest for swimming.

Popular Resorts with the Warmest Water Today