The best time to go to Chilaw is during the dry season, which typically runs from December to March and from June to September.Travellers looking for consistent sunshine and pleasant temperatures will find these months ideal. The dry season offers comfortable weather for exploring the local attractions, enjoying the beaches, and participating in outdoor activities without the interruption of heavy rainfall. This is particularly good for those planning a relaxing beach holiday or cultural excursions.The shoulder months, such as April, May, October, and November, can also be a good option. While there might be occasional showers, these months often see fewer crowds and potentially better value on accommodation.