About Posadas, Misiones's Climate & Weather History

With a population of around 306,000, Posadas sits in Misiones, Argentina. The city operates in the America/Argentina/Cordoba time zone.

In 2025, Posadas recorded an average annual temperature of 72°F. The hottest temperatures reached 101°F in December; the coolest were 38°F in July. Total precipitation for the year was 74 inches, with the wettest month being June.