Weather is probably a major factor when you plan your trip to Pago Pago, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually March and April, with an average temperature of 28°C, while the coldest months are August and July, with an average of 27°C. The rainiest months in Pago Pago are February, January, December and November, with each month seeing an average of 339 mm of rainfall.