The best time to visit Dubrovnik is September and October.

• Spring (March to May): This season is cool and sees a lot of sunny days. You can visit Dubrovnik in these months if you do not mind the cold weather. Temperature ranges from 8-degrees Celsius to around 18-degrees.
• Summer (June to August): If you are looking for a cool summer, try Dubrovnik. The daytime temperature barely crosses more than 25-degrees Celsius even during the hot season. However, most tourists visit this place in the peak of this season.
• Autumn (September to November): This season marks the onset of the cold weather and would generally be the best time to visit Dubrovnik if you want to avoid large crowds. Be careful though, the temperature sometimes drops to around 2-degrees Celsius.
• Winter (December to February): Throughout the winter, the mercury plays around zero-degrees weather in Dubrovnik. Sometimes, it drops below zero, but mostly it is around 3-degrees Celsius.