This study explores the effect of climate variability on corn and panela prices in two municipalities in the department of Nariño; Precipitation and temperature series from 4 IDEAM meteorological stations were analyzed during the period 2008 – 2018 in the municipalities of El Tambo and Sandoná. Based on the exploratory data analysis, a characterization of the variables was carried out for their treatment and identification of atypical values presumably linked to climate variations and speculative market structures