With a population of around 72,000, Mariano Roque Alonso sits in Central Department, Paraguay. The city operates in the America/Asuncion time zone.
In 2025, Mariano Roque Alonso recorded an average annual temperature of 74°F. The hottest temperatures reached 103°F in January; the coolest were 38°F in June. Total precipitation for the year was 63 inches, with the wettest month being June.
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