July is the hottest month in Ostuni with an average temperature of 30°C (86°F) and the coldest is January at 10°C (50°F) with the most daily sunshine hours at 12 in July. The best month to swim in the sea is in August when the average sea temperature is 17°C (63°F).
                    
                    
                    
                    
                    
                    
                    
                    
                    
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Sunrise 06:24
Sunset 16:43
Sunrise 06:24
Sunset 16:43