Sungailiat experiences a warm and humid climate year-round. The dry season typically runs from June to September with temperatures ranging from 23°C to 32°C, while the wet season falls between October and May, with temperatures hovering around 25-31°C. March marks the beginning of the wet season, with temperatures averaging 28°C, accompanied by high humidity levels. April to July are characterized by frequent rain showers and higher temperatures, peaking in June at 29-34°C. The cooler months occur from August to September, but temperatures still remain relatively warm, between 23-31°C.