January in Pago Pago is the rainiest and the cloudiest month of the year. In January, the weather in Pago Pago is typically hot. Average daily high temperature in January is about 28 degrees above zero. On average, Pago Pago has 28 rainy and 3 sunny days in January. The rains are usually heavy. January as well as February, March, April, and May is considered the most uncomfortable time to visit Pago Pago.