The best time to visit Koh Tonsay is during the dry season, which runs from November to May.Throughout these months, you'll experience consistently sunny weather and calm seas, making it superb for enjoying the beaches and water activities. Temperatures are pleasantly warm, typically ranging from 25°C to 32°C, and there's very little rainfall. This period is ideal for couples seeking a relaxing beach holiday without the worry of disruptions from the weather.The peak of the dry season, from December to February, offers the most comfortable conditions with slightly cooler temperatures and lower humidity. This is a great time for families, as the calm waters are excellent for swimming and the dry weather allows for uninterrupted exploration of the island's simple walking trails.