Dubrovnik Sea Temperature
Updated Sat 15:15 (Europe/Zagreb)
Croatia · Forecast updated Aug 8, 2026, 15:15 UTC
Current Sea Temperature
28.4°C
83.1°F
Very warm water
Versus this month's average
0.8°C above
The August average in our archive is 27.6°C (81.6°F).
Recent trend
Warming by 1.4°C
Seven-day average: 27.6°C, versus 26.1°C in the prior seven days.
What to wear
Very warm water
Swimwear is usually enough; a rash guard adds sun protection.
Cold tolerance varies. Wind, session length, sunshine, and exertion also affect comfort; temperature alone does not describe sea conditions.
Sea Surface Temperature Over the Year
In the data collected for Dubrovnik, monthly averages range from about 14.7°C (58.5°F) in March to 27.6°C (81.6°F) in August.
Over the past 30 days, the average sea temperature in Dubrovnik has been 26.6°C.
Monthly Water Temperature Averages
| Month | Min | Average | Max |
|---|---|---|---|
| January | 15.0°C / 59.0°F | 15.8°C / 60.5°F | 16.5°C / 61.7°F |
| February | 14.9°C / 58.8°F | 15.1°C / 59.2°F | 15.4°C / 59.7°F |
| March | 14.1°C / 57.4°F | 14.7°C / 58.5°F | 15.2°C / 59.4°F |
| April | 14.7°C / 58.5°F | 16.2°C / 61.2°F | 18.1°C / 64.6°F |
| May | 17.0°C / 62.6°F | 18.9°C / 66.0°F | 22.0°C / 71.6°F |
| June | 21.0°C / 69.8°F | 24.2°C / 75.6°F | 28.0°C / 82.4°F |
| July | 23.7°C / 74.7°F | 26.1°C / 79.0°F | 28.4°C / 83.1°F |
| August | 26.1°C / 79.0°F | 27.6°C / 81.6°F | 28.4°C / 83.1°F |
| September | 24.2°C / 75.6°F | 24.9°C / 76.8°F | 25.6°C / 78.1°F |
| October | 19.0°C / 66.2°F | 20.3°C / 68.5°F | 24.2°C / 75.6°F |
| November | 18.2°C / 64.8°F | 18.8°C / 65.9°F | 19.5°C / 67.1°F |
| December | 16.1°C / 61.0°F | 17.2°C / 63.0°F | 18.5°C / 65.3°F |
Profile calculated from 7969 hourly forecast records across 12 monthly periods. This is a growing archive, not a long-term climate normal.
About the water at Dubrovnik
Historic Adriatic coastal city
Dubrovnik Water Temperature: Common Questions
What is the sea temperature in Dubrovnik today?
The current sea surface temperature in Dubrovnik is 28.4°C. Over the last 30 days, the average has been 26.6°C.
When is the water warmest in Dubrovnik?
The warmest monthly average in the Dubrovnik archive is August, at around 27.6°C (81.6°F).
When is the water coldest in Dubrovnik?
The coldest monthly average in the archive is March, at around 14.7°C (58.5°F). A wetsuit is usually recommended during this period.
Can you swim in Dubrovnik today?
At 28.4°C, the water is usually comfortable for swimming and snorkeling.
Full Snorkeling Forecast
See how today's sea temperature, wave height, wind, and tides combine into a detailed snorkeling score for Dubrovnik.
View Snorkel Forecast →