Koumassi's climate is characterized by a relatively constant temperature throughout the year, with averages ranging between 26°C and 29°C. The dry season, which spans from November to March, brings warm temperatures, peaking at around 33°C in February and April. June marks the beginning of the wet season, with cooler temperatures averaging around 27°C. During this period, temperatures drop slightly, ranging from 14°C to 30°C, before gradually increasing again towards the end of the year. As the dry season returns in November, temperatures rise once more, bringing a warm and sunny climate back to Koumassi.