With a population of around 47,600, Ouidah sits in Atlantique, Benin. The city operates in the Africa/Porto-Novo time zone.
In 2025, Ouidah recorded an average annual temperature of 81°F. The hottest temperatures reached 91°F in January; the coolest were 71°F in January. Total precipitation for the year was 38 inches, with the wettest month being September.
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