Mariano Roque Alonso experiences a warm subtropical climate, with temperatures varying significantly throughout the year. Summer months, from January to March, are hot and humid, with temperatures often reaching above 35°C. Autumn brings slightly cooler temperatures, with averages ranging from 11-34°C in April and May. Winter is mild, with average highs around 18°C in June and July, while spring sees a gradual warming trend, leading into another sweltering summer by December.