Weather is only one factor, but it can really affect your travel plans, especially when you're planning an extended stay in Kilwa. The hottest months are usually December and November, with an average temperature of 27°C, while the coldest months are July and August, with an average of 24°C. The snowiest months in Kilwa are August, January, February and March, with each month seeing an average of 142 cm of snowfall.