Santo Estevao's climate is characterized by warm temperatures year-round, with a slight decrease in the winter months. The summer season, from January to April, brings consistently high temperatures, averaging around 28-29°C, with February being the hottest month. Autumn, from October to December, sees a gradual cooling trend, with average temperatures dropping to around 25-26°C. Winters are mild, with temperatures ranging from 19-20°C. The temperature fluctuations throughout the year are relatively small, indicating a subtropical climate.