Split — Water Temperature, Sea Conditions & Trends

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health.

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 Chart Over the Last 30 Days

Water temperature in Split has risen over the last week and month. Currently, the sea water temperature at this location matches the average for this day in previous years.

According to our forecast, Water temperature in Split will be 23.2°C in the next 7 days. See the table below for daily data for the upcoming week.

Table of Daily Sea Temperature Data

Annual Water Temperature Overview by Month

Monthly Water Temp Ranges

30°C

25°C

20°C

15°C

10°c

5°C

0°C

Annual Water Temperature Trend

Split, the principal city of Split-Dalmatia County on Croatia’s Adriatic coast, experiences clear, temperate sea conditions that change distinctly through the year. Winter sea temperatures typically fall to around 12–15 °C, while spring brings a gradual rise into the mid-teens and low twenties, roughly 14–20 °C by late spring. Summer is when the water is warmest, with average surface temperatures generally between 22–28 °C and commonly around 24–27 °C in July and August; brief heatwaves can push readings toward the upper end of that range. Autumn sees a gentle cooling, with sea temperatures usually remaining pleasant at about 17–24 °C through September and October before dropping back toward winter values.