Dubrovnik in August: weather, sea and travel tips

Updated · WorldWeatherAI

Is August a good time to visit?

August in Dubrovnik is an option if you enjoy hot weather by the sea: days average +29 °C. If walking without heat is your priority, cooler months are worth comparing.

Weather in August

August is over. Check the forecast for an upcoming trip, and use the August data as a guide for next season. Dubrovnik in September.

Water
+26 °C
Daytime air
+29 °C
Night-time air
+23 °C

Early, mid or late August?

Travel datesDayNightSea
1–10 August+29 °C+23 °C+26 °C
11–20 August+29 °C+23 °C+26 °C
21–31 August+28 °C+23 °C+26 °C

Hot days in August

Share of days when the daytime temperature reached +30 °C or higher, based on the weather archive.

1–10 August45%
11–20 August43%
21–31 August26%

Water in August

Seasonal data gives an average water temperature of +26 °C for the month. It averages +26 °C in the first ten days and +26 °C towards the end. These are seasonal averages, so the water on your travel dates can be warmer or cooler. Before your trip, check the water temperature and weather in the forecast for Dubrovnik.

Rainfall in August

In August, the average is 5 days with precipitation. In 2020–2025, the number ranged from 3 to 7 per month. Light precipitation is included in the count. This does not mean that it rains all day.

August or September: which should you choose?

Average air and sea temperatures by month
MonthDayNightSea
August+29 °C+23 °C+26 °C
September+25 °C+20 °C+23 °C

August has warmer days than September. September offers cooler conditions for walks.

The annual charts for Dubrovnik compare air and sea temperatures with the rest of the year. For a closer look at August, see the August charts and archive by year.

Things to do in August

  • In dry weather, a walk through the Old Town offers palaces, churches and fountains from different periods, giving you a way to discover Dubrovnik’s architecture on foot.
  • The Rector’s Palace suits an interest in the Dubrovnik Republic. Its museum rooms offer historic interiors and works of art, including an option for time indoors when it rains.
  • The Maritime Museum in Fort St John offers another rainy-day option. Its displays explore the maritime past of Dubrovnik and the surrounding region.
About the data

Air temperatures use the WorldWeatherAI archive for 2020–2025. Precipitation uses data for 2020–2025. Sea temperatures use WorldWeatherAI seasonal data.