With a population of around 20,600, Oyo sits in Cuvette, Republic of the Congo. The city operates in the Africa/Brazzaville time zone.
In 2025, Oyo recorded an average annual temperature of 78°F. The hottest temperatures reached 95°F in March; the coolest were 66°F in July. Total precipitation for the year was 64 inches, with the wettest month being October.
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