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The objective was to evaluate the risk of seasonal fire at the unfielded and the forest for different climate scenarios. The place of data collection and study was in the Águas Mornas City, State of Santa Catarina. The hourly data were obtained from July 2017 to February 2018, covering the winter, spring and summer seasons. The fire risk was determined through the Setzer Index and Monte Alegre Formula. It was observed the propensity of fires in relation to the future scenarios by the increase of the temperature and the difference between environments. The unfielded area presented higher occurrence of fire in relation to the forest. In climate scenarios there is an increase in 'medium', 'high' and 'very high or critical' risk and a decrease in 'zero or minimum' and 'small or low' risk. [ABSTRACT FROM AUTHOR]