With a population of around 6,300, Oyon sits in Lima region, Peru. The city operates in the America/Lima time zone.
In 2025, Oyon recorded an average annual temperature of 47°F. The hottest temperatures reached 65°F in December; the coolest were 29°F in December. Total precipitation for the year was 71 inches, with the wettest month being February. Snowfall for the year totaled approximately 54 inches.
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