October weather forecast and climate
Cotonou, Benin

October, like September, in Cotonou, Benin, is a moderately hot autumn month, with temperature in the range of an average low of 23.8°C (74.8°F) and an average high of 29.6°C (85.3°F).

Temperature

In Cotonou, the average high-temperature is practically the same as in September - a still warm 29.6°C (85.3°F). In October, the average low-temperature is 23.8°C (74.8°F).

Heat index

In October, the average heat index is calculated to a very hot 37°C (98.6°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
Note that heat index values are valued for light wind and location in the shade. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature', 'felt air temperature', 'real feel', or 'feels like', is a measure of how hot it feels when the actual air humidity is factored in. This effect is individual, with diverse people perceiving weather differently for numerous reasons (differences in body mass, height, and shape, pregnancy, metabolic differences), and activity. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.
Perspiration is the human body's physiological response to high temperatures and is an attempt to lower body temperature through evaporation of sweat. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.

Humidity

The average relative humidity in Cotonou is 82%.

Rainfall

In Cotonou, Benin, during October, the rain falls for 8 days and regularly aggregates up to 126.7mm (4.99") of precipitation. In Cotonou, during the entire year, the rain falls for 75 days and collects up to 1308.3mm (51.51") of precipitation.

Sea temperature

In October, the average sea temperature in Cotonou is 27°C (80.6°F).
Note: Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

Daylight

In October, the average length of the day in Cotonou is 12h.

Sunshine

In October, the average sunshine is 6.7h.

UV index

Months with the highest UV index are February through May, August through October, with an average maximum UV index of 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 12 in October transform into the following instructions:
Practice all-important precautions. Light skin people may get burned in less than 5 minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Even on cloudy days, a sunscreen with a minimum 30 sun protection factor should be generously applied and frequently re-applied, including after every swim or outdoor exercise. Beware! The strength of the UV rays is significantly increased by the reflection of the water and sand.

What is the temperature in October in Cotonou?

The average high-temperature, in October, in Cotonou, Benin, is 29.6°C (85.3°F), while the average low-temperature is 23.8°C (74.8°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), that combines relative humidity and air temperature, in October is evaluated at 37°C (98.6°F).

What is the average humidity in October in Cotonou?

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

How many days does it rain in October in Cotonou?

In Cotonou, Benin, in October, it is raining for 8 days, with typically 126.7mm (4.99") of accumulated precipitation.

What is the water temperature in October in Cotonou?

In October, the average sea temperature in Cotonou, Benin, is 27°C (80.6°F). For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the average length of the day in October in Cotonou?

In Cotonou, the average length of the day in October is 12h.

How long on average sun shines in October in Cotonou?

The average sunshine in October is 6.7h.

What are the months with the highest UV index in Cotonou?

Months with the highest UV index in Cotonou are February through May, August through October, with an average maximum UV index of 12.

What is the UV index reading in October in Cotonou?

In October, the average daily maximum UV index in Cotonou, Benin, is 12. A UV Index estimate of 11, and higher, represents an extreme health threat from unsafe exposure to the Sun's UV rays.
Average temperature in October - Cotonou, Benin
  • Average high temperature in October: 29.6°C

The warmest month (with the highest average high temperature) is March (31.9°C).
The month with the lowest average high temperature is August (27.8°C).

  • Average low temperature in October: 23.8°C

The month with the highest average low temperature is March (25.9°C).
The coldest month (with the lowest average low temperature) is August (23.4°C).

Average humidity in October - Cotonou, Benin
  • Average humidity in October: 82%

The month with the highest relative humidity is June (84%).
The month with the lowest relative humidity is April (76.5%).

Average rainfall in October - Cotonou, Benin
  • Average rainfall in October: 126.7mm

The wettest month (with the highest rainfall) is June (356mm).
The driest month (with the least rainfall) is January (9.2mm).

Average rainfall days in October - Cotonou, Benin
  • Average rainfall days in October: 8 days

The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (1 days).

Average sea temperature in October - Cotonou, Benin
  • Average sea temperature in October: 27°C

The best months for swimming (with the highest average sea temperature) are March, April, May and November (29°C).
The coldest month (with the lowest average sea temperature) is August (25°C).

Average daylight in October / Average sunshine in October - Cotonou, Benin
  • Average daylight in October: 12h

Months with the longest days are June and July (Average daylight: 12.5h).
Months with the shortest days are January, November and December (Average daylight: 11.8h).

  • Average sunshine in October: 6.7h

The month with the most sunshine is November (Average sunshine: 8.1h).
The month with the least sunshine is July (Average sunshine: 4.4h).

Average UV index in October - Cotonou, Benin
  • Average UV index in October: 12

Months with the highest UV index are February, March, April, May, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).