With a population of around 3,000, Demette sits in Saint-Louis, Senegal. The city operates in the Africa/Dakar time zone.
In 2025, Demette recorded an average annual temperature of 84°F. The hottest temperatures reached 115°F in May; the coolest were 56°F in January. Total precipitation for the year was 13 inches, with the wettest month being August.
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