Santiago del Estero experiences a subtropical climate with distinct seasonal variations. The summer months, January to March, are hot and humid, with temperatures often reaching above 35°C, while the autumn season, April to May, is mild and pleasant, with temperatures gradually cooling down. Winters, June to August, are cool and dry, with nighttime temperatures sometimes dropping below freezing, but daytime temperatures still relatively warm. The spring months, September to November, bring a gradual warming trend, with temperatures rising steadily towards the hot summer months again. The city's temperature fluctuations are most pronounced during the transition periods between seasons, creating mild autumns and springs, while summers are sweltering and winters are cool but not cold.