Weather is probably a major factor when you plan your trip to Fao, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and July, with an average temperature of 20°C, while the coldest months are February and January, with an average of 10°C. The rainiest months in Fao are October, December, November and January, with each month seeing an average of 229 mm of rainfall.