Climate change poses significant challenges to agricultural productivity in northern Nigerian villages, where climate-smart irrigation techniques can enhance resilience and sustainability. A mixed-methods approach combining quantitative surveys with qualitative interviews to gather data from a representative sample of villages across northern Nigeria. Climate-smart irrigation techniques offer substantial economic benefits to farmers in northern Nigerian villages, particularly in enhancing agricultural productivity and reducing water usage. Public policy should incentivize the adoption of climate-smart irrigation technologies through subsidies and extension services to maximise their impact on rural livelihoods.