Weather is probably a major factor when you plan your trip to Nkayi, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually September and March, with an average temperature of 26°C, while the coldest months are July and June, with an average of 25°C. The rainiest months in Nkayi are November, December, April and March, with each month seeing an average of 206 mm of rainfall.