October weather forecast
Cotonou, Benin

October sees a shift in Cotonou’s weather towards a dry climate, although the rainfall does see a slight increase from the previous month, reaching 127mm (5"). The daylight duration shortens further to 12 hours, while the daily sunshine duration lengthens to 6.7 hours. There is a steady increase noted in both air and sea temperatures; however, the UV index stays consistent at 12 units. These elements combine to create a hot and sunny, yet slightly wet climate in Cotonou for the month of October.

Temperature

The advent of October in Cotonou sees the average high-temperature at a still moderately hot 29.6°C (85.3°F), subtly shifted from September's 28.4°C (83.1°F). During October, Cotonou consistently records a temperature low averaging a still warm 23.8°C (74.8°F).

Heat index

The heat index in October is computed to be a fiery hot 37°C (98.6°F). Take additional safety steps, risk of heat exhaustion and heat cramps is notable. Prolonged activity may cause heatstroke.
Be informed that the heat index values are oriented around shady conditions and gentle breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Young individuals usually face greater risks than adults as their sweat production is less. Also, their larger skin surface relative to their small bodies and the high heat generation due to their activity contributes to their vulnerability.
To achieve cooling, the human body employs perspiration, relying on the subsequent evaporation of sweat. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. Overheating and potential dehydration arise when body heat gain eclipses its release capability.

Humidity

The average relative humidity in October in Cotonou is 82%.

Rainfall

In Cotonou, in October, during 8 rainfall days, 127mm (5") of precipitation is typically accumulated. Throughout the year, in Cotonou, there are 75 rainfall days, and 1308mm (51.5") of precipitation is accumulated.

Sea temperature

In Cotonou, Benin, the average seawater temperature in October is 27°C (80.6°F).
Note: Swimming, diving, and other activities in water temperatures between 25°C (77°F) and 29°C (84.2°F) are thought to be quite enjoyable and satisfying for extended periods, with no discomfort.

Daylight

The average length of the day in October is 11h and 59min.
On the first day of October, sunrise is at 06:38 and sunset at 18:41. On the last day of the month, sunrise is at 06:37 and sunset at 18:31 WAT.

Sunshine

The average sunshine in October in Cotonou is 6.7h.

UV index

The months with the highest UV index in Cotonou are February through May, August through October, with an average maximum UV index of 12. A UV Index reading of 11, and higher, represents an excessive health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 12 during October translates into the following directions:
Implement all necessary safeguards, unprotected skin might suffer burns rapidly. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Even if the day is cloudy, sunscreen with SPF of at least 30 should be applied generously and reapplied often, particularly after swimming or outdoor exercise. Alert! The Sun's UV rays are heightened by the reflection of sand and water.