The bank says stronger climate planning and more funding will help countries reduce the economic impact of the expected weather event.
The United States wants to grow wheat sales in sub-Saharan Africa by showing buyers the value of higher quality wheat instead of competing on price.
While world rice production is expected to fall next season, Africa could record growth as governments support local production and farmers adopt improved seed varieties.
The World Bank says West Africa can achieve rice self-sufficiency, but only if countries strengthen the entire value chain and make local rice competitive with imports.
The continent increased investment and more than doubled its agricultural research workforce over the past two decades, but major gaps remain between regions.