April in Goroka is the sunniest month of the year. In April, the weather in Goroka is typically warm. Average daily high temperature in April is about 21 degrees above zero. On average, Goroka has 27 rainy, 1 sunny, 1 cloudy, and 1 partly cloudy day in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit Goroka.