Yanayin Ghana na wurare masu zafi. Bakin gabas yana da dumi kuma an san shi a bushe, kusurwar kudu maso yamma na Ghana yana da zafi da danshi, kuma arewacin Ghana yana da zafi kuma a bushe. Ghana tana kan Tekun Guinea, 'yan digiri kaɗan daga arewacin Equator, yana ba ta yanayi mai dumi. Yanayin ƙasar Ghana na wurare masu zafi kuma akwai manyan yanayi biyu: damina da lokacin rani. Arewacin Ghana na fuskantar dumin ta daga watan Afrilu zuwa tsakiyar watan Oktoba yayin da Ghana ta Kudu ke fuskantar dumin ta daga Maris zuwa tsakiyar Nuwamba. Yanayi mai zafi na Ghana yana da ɗan sauƙi saboda latitude. Wata mummunar iska, busasshiyar, tana kadawa a arewa maso gabashin Ghana daga watan Disamba zuwa Maris, yana rage danshi kuma yana haifar da kwanaki masu zafi da dare a arewacin Ghana. Matsakaicin yanayin yau da kullun yana zuwa daga 30°C (86°F) a rana zuwa 24°C (75°F) da daddare tare da ɗanɗano mai ɗanɗano tsakanin kashi 77 da kashi 85. A yankin kudancin Ghana, akwai lokutan yanayi daban-daban: Afrilu zuwa Yuni da Satumba zuwa Nuwamba.