Puerto Rosario, in San Pedro Department, Paraguay, is home to roughly 5,100 people in the America/Asuncion time zone at 24.4°S latitude.
In 2025, Puerto Rosario recorded an average annual temperature of 74°F. The hottest temperatures reached 102°F in January; the coolest were 40°F in July. Total precipitation for the year was 63 inches, with the wettest month being December.
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