April in Pago Pago is the hottest month of the year. In April, the weather in Pago Pago is typically hot. Average daily high temperature in April is about 28 degrees above zero. On average, Pago Pago has 20 rainy and 10 sunny days in April. The rains are usually heavy. April as well as January, February, March, and May is considered the most uncomfortable time to visit Pago Pago.