In April, the weather in Nhulunbuy is typically hot. Average daily high temperature in April is about 29 degrees above zero. On average, Nhulunbuy has 21 rainy, 6 sunny, 2 partly cloudy, and 1 cloudy day in April. The rains are usually heavy. April as well as January, February, March, and December is considered the most uncomfortable time to visit Nhulunbuy.