Cotonou Weather Today

Climate and Weather in Cotonou, Benin

Cotonou, located in the West African country of Benin, experiences a tropical savanna climate. The city is known for its hot and humid weather throughout the year, with distinct wet and dry seasons. Understanding the climate and weather patterns in Cotonou is essential for residents and visitors to plan their activities and make necessary preparations.

Temperature

The temperature in Cotonou remains relatively consistent throughout the year, with warm to hot conditions prevailing. The average high temperature ranges from 30°C (86°F) to 32°C (90°F) during the day, while the average low temperature hovers between 23°C (73°F) and 25°C (77°F) at night. The city experiences minimal variation in temperature from month to month, reflecting its proximity to the equator.

During the dry season, from November to March, temperatures tend to be slightly cooler, providing a more comfortable climate for outdoor activities. However, the wet season, which lasts from April to October, brings higher temperatures and increased humidity, making the weather feel more oppressive.

Rainfall

Cotonou experiences a distinct wet and dry season, with the wet season lasting for the majority of the year. The city receives an average annual rainfall of around 1,300 millimeters (51 inches). The heaviest rainfall occurs between May and July, with June being the wettest month.

The dry season, from November to March, sees a significant decrease in rainfall, with precipitation levels dropping to as low as 5 millimeters (0.2 inches) per month. This period provides a respite from the heavy rains but still retains some humidity in the air.

It is important to note that Cotonou, like many tropical regions, experiences occasional heavy downpours and thunderstorms, even outside of the wet season. These rain events can be intense and may cause localized flooding and disruptions in transportation.

Wind and Humidity

Cotonou is influenced by the prevailing wind patterns of the region. The Harmattan wind, which blows from the Sahara Desert in the northeast, affects the city during the dry season. This dry and dusty wind can lead to reduced visibility and a slight drop in temperatures.

The city also experiences high humidity levels throughout the year, particularly during the wet season. Humidity levels can reach up to 90%, adding to the discomfort caused by the heat. It is advisable to stay hydrated and seek shade or air-conditioned areas during the hottest parts of the day.

Climate Hazards

Cotonou, being located on the Gulf of Guinea, is susceptible to tropical storms and hurricanes that form in the Atlantic Ocean. The hurricane season typically runs from June to November, with the highest risk occurring in August and September. These storms can bring heavy rainfall, strong winds, and potential flooding to the city.

Best Time to Visit

The best time to visit Cotonou is during the dry season, from November to March. The weather is relatively cooler, and the rainfall is significantly lower, providing more comfortable conditions for outdoor activities and sightseeing. However, it is important to note that even during this period, humidity levels can still be quite high.

It is advisable to check the weather forecast before planning any outdoor activities in Cotonou, as sudden rain showers and thunderstorms can occur throughout the year.

Conclusion

Cotonou's climate is characterized by its tropical savanna climate, with hot and humid conditions prevailing throughout the year. The city experiences a distinct wet and dry season, with the wet season lasting from April to October and the dry season from November to March. Understanding the climate and weather patterns in Cotonou is crucial for residents and visitors to prepare for the heat, humidity, and occasional heavy rain events. The best time to visit is during the dry season, when temperatures are slightly cooler and rainfall is reduced.