Hot Air Ballooning Season in Sri Lanka Hot Air Ballooning trips are operate during this season. During the period of November to May, most often the winds are light and the sky is at its bluest. Of the season March and April offer the best weather. At other times of the year too Hot Air Ballooning is possible. However strong winds blowing from the east take you downwind of the mountains on the western side of the island. The Tourism Promotion Bureau of Sri Lanka in association with the Ceylon Airship and Balloon Club organizes Sri Lanka Balloon Festival on yearly basis. The participants that arrive from Asia and Europe annually are treated to an exclusive week-long tour of the island. The 2011 Sri Lanka Balloon Festival was held in March.