Petarukan experiences a hot and humid climate year-round. The dry season begins in May with temperatures ranging from 27-33°C, gradually increasing throughout the summer months. June to August are the hottest months, with an average temperature of around 30-31°C. September marks the beginning of the wet season, but temperatures remain relatively high, averaging 28-32°C. The dry season returns in December, bringing slightly cooler temperatures, averaging 26-30°C.