About Tarma, Junin's Climate & Weather History

With a population of around 51,400, Tarma sits in Junin, Peru. The city operates in the America/Lima time zone.

In 2025, Tarma recorded an average annual temperature of 54°F. The hottest temperatures reached 75°F in December; the coolest were 33°F in July. Total precipitation for the year was 25 inches, with the wettest month being March.