Yby Yau, in Concepcion, Paraguay, is home to roughly 31,300 people in the America/Asuncion time zone at 23°S latitude.
In 2025, Yby Yau recorded an average annual temperature of 75°F. The hottest temperatures reached 101°F in February; the coolest were 38°F in June. Total precipitation for the year was 58 inches, with the wettest month being April.
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