Increases in the number of hot days and nights, as well as in heatwave intensity and duration, have had negative impacts on agriculture, human health, water availability, energy demand and livelihoods. By some estimates, African countries' Gross Domestic Product per capita is on average 13.6% lower since 1991 than if human-caused global warm- ing had not occurred. In the future, high temperatures combined with high humidity exceed the threshold for human and livestock tolerance over larger parts of Africa and with greater frequency. Increased average temperatures and lower rainfall will further reduce economic output and growth in Africa, with larger negative impacts than on other regions of the world.
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report