The best times to visit Cotonou for ideal weather are

July 30th to August 26th

or

December 3rd to March 4th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Cotonou Travel Info

Weather in Cotonou

Temperature

Average temperatures in Cotonou vary very little. Considering humidity, temperatures feel hot all year with a low chance of precipitation most of the year. The area is less temperate than some — in the 17th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Cotonou, the hottest months are March, April, and then February. See average monthly temperatures below. The warmest time of year is generally early March where highs are regularly around 91°F (32.8°C) with temperatures rarely dropping below 80.5°F (26.9°C) at night.

Cotonou Temperatures (Fahrenheit)

Key
High
Average
Low

Cotonou Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Cotonou Perceived Temperature (F)

Key
High
Average
Low

Cotonou Perceived Temperature (C)

Key
High
Average
Low

 

Average Cotonou Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 89.5 81.5 75.2
Feb 90.2 83.9 78.8
Mar 90.3 84.7 80
Apr 89.7 84 78.8
May 88.9 83 77.5
Jun 85.5 80.4 75.9
Jul 83.7 79 75.7
Aug 83 77.8 75
Sep 84.5 79.1 75.7
Oct 86.5 80.7 75.9
Nov 89.1 82.9 77.5
Dec 90 82.7 76.5

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 31.9 27.5 24
Feb 32.3 28.8 26
Mar 32.4 29.3 26.7
Apr 32.1 28.9 26
May 31.6 28.3 25.3
Jun 29.7 26.9 24.4
Jul 28.7 26.1 24.3
Aug 28.3 25.4 23.9
Sep 29.2 26.2 24.3
Oct 30.3 27.1 24.4
Nov 31.7 28.3 25.3
Dec 32.2 28.2 24.7

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Cotonou are January, December, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January and early February. For example, on the week of January 29th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late May to early June with an average of 3 days of significant precipitation the week of May 28th.

When can you find snow in Cotonou? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Cotonou.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Cotonou (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 2% 0 1.2
Feb 8% 0 2
Mar 9% 0 2.9
Apr 16% 0 4
May 35% 0 8.2
Jun 43% 0 14.9
Jul 22% 0 5.8
Aug 9% 0 1.2
Sep 21% 0 4.7
Oct 32% 0 6.8
Nov 10% 0 2
Dec 3% 0 0.8

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 2 0 3
Feb 8 0 5.1
Mar 9 0 7.4
Apr 16 0 10.2
May 35 0 20.8
Jun 43 0 37.8
Jul 22 0 14.7
Aug 9 0 3
Sep 21 0 11.9
Oct 32 0 17.3
Nov 10 0 5.1
Dec 3 0 2

 

Humidity and Wind

Cotonou has some extremely humid months, and above average humidity throughout the year. The least humid month is January (69.9% relative humidity), and the most humid month is August (85.2%).

Wind in Cotonou is usually moderate. The windiest month is August, followed by July and September. August’s average wind speed of around 9.9 knots (11.4 MPH or 18.3 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early August where average top sustained speeds reach 15.1 knots, which is considered a moderate breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Cotonou.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 5.9 Light breeze 10.3 Gentle breeze
Feb 8.1 Gentle breeze 12.5 Significant breeze
Mar 8.8 Gentle breeze 13.3 Gentle breeze
Apr 7.7 Gentle breeze 12.8 Significant breeze
May 6.3 Light breeze 12.4 Gentle breeze
Jun 7.1 Gentle breeze 12.9 Significant breeze
Jul 9.6 Gentle breeze 14.1 Gentle breeze
Aug 9.9 Gentle breeze 14.5 Significant breeze
Sep 8.9 Gentle breeze 13.6 Gentle breeze
Oct 6.8 Light breeze 12 Significant breeze
Nov 6.6 Light breeze 11.1 Gentle breeze
Dec 6.1 Light breeze 10.2 Gentle breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 69.9%
Feb 75.1%
Mar 75.3%
Apr 76.2%
May 77.6%
Jun 82.8%
Jul 83.3%
Aug 85.2%
Sep 84.7%
Oct 82.9%
Nov 79.3%
Dec 74.4%

 

Is it Safe to Travel to Cotonou?

Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for Benin; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 20, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Cotonou, Benin is October, followed by July and August. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Cotonou in February. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 36 in February means 36% of the tourists vs. October.

 

 

Overall Cotonou Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 91°F (32.8°C) and 87°F (30.6°C) with colder temperatures in the later months. Rain is somewhat common with 3 to 11 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 3 to 13 days of precipitation per month. June – August is the busiest season for tourism in Cotonou, so lodging and other accommodations may cost more than usual.

Fall (September through November)

Fall daily highs range from 90°F (32.2°C) and 83.7°F (28.7°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 3 to 10 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.

Winter (December through February)

Weather is perfect this time of year in Cotonou to be enjoyable for warm weather travelers. The average high during this season is between 90.4°F (32.4°C) and 89.2°F (31.8°C). On average, it rains or snows a smalll amount: 1 to 2 times per month. These times of year are fairly slow with tourists.

 

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