Weather in Котону: What to Expect by Season

Котону enjoys a tropical climate with distinct wet and dry periods, making it a year-round destination with warm temperatures. From November to February, the city experiences its driest months, with plenty of sunshine and comfortable humidity levels. This is often considered the most pleasant time to explore Котону, whether you're visiting local markets or relaxing by the coast.

The rainy seasons in Котону arrive in two waves: the first from May to July, and the second, shorter one, in September and October. During these months, brief but intense downpours are common, though they rarely disrupt plans for long. Between these periods, Котону returns to drier conditions, particularly in August, offering a brief respite from the rain.

Temperatures in Котону remain consistently warm throughout the year, with averages hovering around +28 °C. The hottest months are February and March, when daytime highs can reach +32 °C, while nights stay mild at around +26 °C. Even during the cooler months, such as July and August, temperatures rarely drop below +24 °C, ensuring a warm climate for visitors.

The ocean near Котону mirrors the air temperature, staying warm enough for swimming year-round. Water temperatures peak at +29.9 °C in May, making it ideal for beachgoers. Even in the cooler months, like August, the water remains a comfortable +25.7 °C, so you can enjoy the coast regardless of when you visit.

Rainfall in Котону is highly seasonal, with the heaviest downpours occurring in June (over 229 mm) and October (around 208 mm). These months can bring sudden, intense showers, though they typically don’t last all day. If you’re visiting during these periods, a light rain jacket or umbrella will come in handy for short bursts of rain.

The driest months in Котону are December (just 4 mm of rain) and January (around 47 mm), offering plenty of sunshine and minimal disruption to outdoor activities. Even during the transitional months, like March or November, rainfall is moderate, so you can still enjoy sightseeing without much concern for the weather.

For a trip to Котону during the dry season, pack lightweight, breathable clothing to stay comfortable in the warm temperatures. A wide-brimmed hat, sunglasses, and sunscreen are essential year-round, as the sun is strong even on cloudy days. If you’re visiting between November and February, evenings can be slightly cooler, so a light sweater or shawl may be useful.

If your visit falls during the rainy season, include a compact umbrella or a waterproof jacket to handle sudden showers. Quick-drying fabrics are ideal, as humidity can make heavier materials uncomfortable. For beach outings, don’t forget swimwear and sandals, as the ocean remains warm and inviting throughout the year in Котону.