The best time to go to Wattala, Sri Lanka, is during the dry season, which runs from December to March.During these months, you'll experience pleasant weather with less humidity and minimal rainfall, making it ideal for exploring the local area and enjoying outdoor activities. The temperatures are consistently warm, typically around 28-30°C, superb for relaxing by the coast or visiting nearby attractions.For travellers looking to enjoy the coastal areas and day trips without weather interruptions, this period is perfect. You can comfortably visit the Muthurajawela Marsh or spend time at the Negombo beaches, which are just a short drive away.