Guinea-Bissau has a tropical climate with two seasons: a wet season from June to November, with August being the wettest month; and a dry season from December to May, with April and May being the hottest months.
The prevailing westerly wind is the hot Harmattan which blows in from the Sahara Desert.
Average annual precipitation in Bissau is 77 inches (1,950 mm) while the average temperature ranges from 75°F (24°C) to 81°F (27°C) all year.
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Approaching storm clouds, Guinea-Bissau