The district falls within the equatorial zone with a rainfall regime typical of the moist semi- deciduous forest zone of the country. There are two well- defined rainfall seasons. The main season occurs from March to July with a peak in June. The minor season starts from September to November with a peak in October. August is cool and dry. The main dry season occurs in December to March during which the desiccating harmattan winds blow over the area.
The natural vegetation of the area falls within the semi- deciduous forest zone of Ghana, which is characterized, by plant species of the Celtis- Triplochetol Association. However, due to extensive and repeated farming activities in the past, the original vegetation has been degraded to mosaic of secondary forest, thicket and forb regrowth and various abandoned farms with relics of food crops and vegetables.