The months from November to July is the best time to visit Alibaug to enjoy the beaches. Between August to October, you can explore the region in the rainy days, which exposes the lush green beauty of Alibaug. However, do note that boat service between Mumbai and Alibaug is not functional during the rainy season. The weather from November to February is cold and dry and provides the perfect ambience for sightseeing. The temperature starts rising from March and lasts until the arrival of monsoon in June.