In terms of precipitation, rainfall in Pago Pago ranges from 5.9 - 14.5 inches per month. January is typically the wettest month, when rainfall can reach 14.5 in. June is typically the driest time to visit Pago Pago when rainfall is around 5.9 in.
If weather is an important factor for your trip to Pago Pago, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 80.6 F).