Weather is probably a major factor when you plan your trip to Bonga, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually February and March, with an average temperature of 20°C, while the coldest months are October and November, with an average of 17°C. The rainiest months in Bonga are August, July, September and June, with each month seeing an average of 274 mm of rainfall.