Production of legumes in relation to variability in rainfall in Benue State was investigated for period of twenty
one years between 1988 and 2008. Rainfall data and annual Legumes production output were generated from
metrological unit of Nigeria Air Force Makurdi and Benue Agricultural and Rural Development Authority
respectively. Statistical tool of correlation and regression were used to investigate the possible relationship
between the two variables. A low correlation and regression coefficients of 0.0332 and 0.1375 were recorded
respectively. The assumption of the parabolic relationship between rainfall and legume output recorded 86.25%
of unexplained variation. The unexplained variation is largely due to influencing factors of production such as
abiotic, farm management practices, land development, socioeconomic and catastrophic factors.